{"id":20155,"date":"2026-04-07T09:41:39","date_gmt":"2026-04-07T07:41:39","guid":{"rendered":"https:\/\/www.my-watchsite.com\/blog\/?p=20155"},"modified":"2026-04-07T09:41:40","modified_gmt":"2026-04-07T07:41:40","slug":"deciphering-watch-calibres","status":"publish","type":"post","link":"https:\/\/www.my-watchsite.com\/blog\/deciphering-watch-calibres\/","title":{"rendered":"Deciphering watch calibres"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Le plus pr\u00e9cis ? Le plus rare ? Le plus cher ? Le plus noble ? A vous de choisir...\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/6Hy8Fm8bPUE?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Quartz calibres: precision without fuss<\/strong><\/h2>\n\n\n\n<p>Let\u2019s get started with the calibre purists despise \u2013 and everyone else admires quietly. A quartz calibre is the embodiment of efficiency: a battery (sometimes solar-powered), an electronic circuit and a small quartz crystal that doesn\u2019t look like much.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.my-watchsite.fr\/blog\/wp-content\/uploads\/2026\/03\/quartz.jpg\" alt=\"\" class=\"wp-image-47532\" \/><figcaption class=\"wp-element-caption\">A quartz calibre.<\/figcaption><\/figure>\n\n\n\n<p>And yet! As soon as power gets through, this crystal starts vibrating with an almost-insolent regularity: <em>only<\/em> 32,758 times per second. A formidable stability the electronic circuit then changes into perfectly controlled pulses \u2013 one per second \u2013 to power the hands.<\/p>\n\n\n\n<p>As a result, the famous seconds hand jolts from second to second. Clean, neat, almost surgical.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.my-watchsite.fr\/blog\/wp-content\/uploads\/2026\/03\/calibre-quartz.jpg\" alt=\"\" class=\"wp-image-47526\" \/><figcaption class=\"wp-element-caption\">Another quartz calibre.<\/figcaption><\/figure>\n\n\n\n<p>We\u2019re not here to deliver a physics tuition \u2013 the frequencies and vibrations afficionados among you are free to dwell this subject further \u2013 but let\u2019s remember the main point: quartz is relentlessly precise. Its performances are almost indecent, consider this:<\/p>\n\n\n\n<ul>\n<li>A standard mechanical watch: -10 to +20 seconds a day<\/li>\n\n\n\n<li>A watch certified chronometer by the COSC: -4 to +6 seconds a day<\/li>\n\n\n\n<li>The most acute watches (for example, <a href=\"https:\/\/www.my-watchsite.com\/174-rolex\" target=\"_blank\" rel=\"noreferrer noopener\">Rolex\u2019s<\/a>) : up to \u00b12 seconds a day<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center\">VS<\/p>\n\n\n\n<ul>\n<li>A basic quartz watch: \u00b115 seconds\u2026 a month<\/li>\n\n\n\n<li>A top-of-the-range quartz watch: less than 5 seconds a year (Breitling, Grand Seiko, Certina, Longines VHP)<\/li>\n\n\n\n<li>Some models even flirt with 1 second a year (Citizen)<\/li>\n<\/ul>\n\n\n\n<p>In other words: quartz watches are unmatched. On top of the bargain, they usually cost less, don\u2019t need to be wound up, are low-maintenance and you can leave it for a month, only to find it still perfectly on time. Quartz watches may not be considered noble, but they clearly have the high ground.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Mechanical calibres: beauty and soul\u2026 and a few tantrums<\/strong><\/h2>\n\n\n\n<p>On the other hand, mechanical calibres play on a different note. No need for a battery here \u2013 the energy comes from a mainspring that can be wound up either manually (through the crown) or automatically via an oscillating weight that picks up the motion of the wrist.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" data-id=\"47450\" src=\"https:\/\/www.my-watchsite.fr\/blog\/wp-content\/uploads\/2026\/03\/vacheron-1.jpg\" alt=\"\" class=\"wp-image-47450\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" data-id=\"47451\" src=\"https:\/\/www.my-watchsite.fr\/blog\/wp-content\/uploads\/2026\/03\/vacheron4.jpg\" alt=\"\" class=\"wp-image-47451\" \/><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">The <a href=\"https:\/\/www.my-watchsite.com\/traditionnelle\/9651-traditionnelle-manual-winding.html\" target=\"_blank\" rel=\"noreferrer noopener\">Traditionnelle Manual-Winding mode<\/a>l by Vacheron Constantin &#8211; \u20ac39,600<\/figcaption><\/figure>\n\n\n\n<p>A mechanical calibre is like a mechanical theatre: bridges, mainplates, serrated wheels, gears\u2026 and especially this regulating organ that beats like a heart. A fragile heart that can sometimes be temperamental, yet that remains awfully fascinating.<\/p>\n\n\n\n<p>Indeed, mechanical inner workings are demanding:<\/p>\n\n\n\n<ul>\n<li>More expensive production costs<\/li>\n\n\n\n<li>Sensitivity to shocks and magnetism<\/li>\n\n\n\n<li>Diminished precision<\/li>\n<\/ul>\n\n\n\n<p>As a mechanical watch can malfunction, it requires respect and maintenance. You can\u2019t do anything you want with it.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.my-watchsite.fr\/blog\/wp-content\/uploads\/2026\/03\/vacheron2-1.jpg\" alt=\"\" class=\"wp-image-47452\" \/><figcaption class=\"wp-element-caption\"><br>Developed and manufactured by Vacheron Constantin<br>\u201cC\u00f4te unique\u201d finish and 270<sup>th<\/sup> anniversary emblem<br>Mechanical and manual-winding<br>28.60mm (12 \u00bd \u2019\u2019\u2019), 2.80mm thick<br>About 65-hour power reserve<br>Hallmark of Geneva certified timepiece<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Manual or self-winding: ritual or facility?<\/strong><\/h2>\n\n\n\n<p>Two calibres types, both alike in dignity, are part of the mechanical family. Manual-winding calibers, first. Some people like the daily meditative process of winding up a watch. A simple, meaningful gesture. An almost sacramental ritual. Self-winding calibers, then. Practical elegance. You put it on in the morning and go about your day\u2026 and the watch gets wound up by itself. The next day, it starts over again.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" data-id=\"47461\" src=\"https:\/\/www.my-watchsite.fr\/blog\/wp-content\/uploads\/2026\/03\/iwc2-111429.jpg\" alt=\"\" class=\"wp-image-47461\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" data-id=\"47462\" src=\"https:\/\/www.my-watchsite.fr\/blog\/wp-content\/uploads\/2026\/03\/iwc1-111429.jpg\" alt=\"\" class=\"wp-image-47462\" \/><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">This Portugieser Chronograph by IWC is powered by a self-winding mechanical movement.<br>Small seconds with stop second mechanism<br>46-hour power reserve \u2013 Frequency 28,800vph (4Hz)<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Quartz or mechanical: a tough question<\/strong><\/h2>\n\n\n\n<p>What\u2019s the best, in the end, quartz or mechanical calibres? In terms of pure accuracy, quartz calibers crush their opponents without even trying. In terms of emotion, craftsmanship and legacy, mechanical calibers take the lead. It\u2019s not a duel but a choice between different life philosophies.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>The myth of the \u201cmanufacture calibre\u201d<\/strong><\/h2>\n\n\n\n<p>Another tricky subject: the famous \u201cmanufacture movements\u201d. The theory is simple: a house designs, develops and builds its own calibre, which is usually considered top-of-the-range or even high watchmaking\u2019s. Yet, reality is a bit more equivocal. Companies such as ETA, Sellita, Miyota or Soprod are movement manufactures themselves \u2013 their purpose is to design and produce calibres. The concept of \u201cmanufacture calibre\u201d must then be considered less binary. Ask instead simple questions: is this calibre reliable, coherent and well-made enough for its price?<\/p>\n\n\n\n<p><strong>How can I distinguish a quartz calibre from a mechanical movement?<\/strong><\/p>\n\n\n\n<p>Look at the seconds hand:<\/p>\n\n\n\n<ul>\n<li>It jolts from one second to another: that\u2019s a quartz calibre!<\/li>\n\n\n\n<li>It slides with a vibrating fluidity: that\u2019s a mechanical movement.<\/li>\n<\/ul>\n\n\n\n<p>Straight and neat. At least in theory, as a delightful trap exists: the deadbeat seconds feature. This mechanical complication mimics the behaviour of a quartz movement, with a seconds hand that jolts every second. A technical feat that has become absolutely useless nowadays \u2013 which makes it irresistible.<\/p>\n\n\n\n<p>On the other hand, some complications such as the foudroyante feature do the exact opposite: the seconds hand is lightning-fast. No wonder why it\u2019s also called <em>diablotine <\/em>(little devil).<\/p>\n\n\n\n<p><strong>Other hybrids and curiosities<\/strong><\/p>\n\n\n\n<p>As blurring lines is usual in the watchmaking industry, some calibres refuse to choose their side.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.my-watchsite.fr\/blog\/wp-content\/uploads\/2026\/03\/seiko-solaire.jpg\" alt=\"\" class=\"wp-image-47459\" \/><figcaption class=\"wp-element-caption\">Seiko\u2019s solar-powered movement.<\/figcaption><\/figure>\n\n\n\n<p>A few examples: the solar-powered calibre, with a sun-recharged battery; the Spring Drive calibre, a technological oddity that blends a mainspring with an electronic regulator; the Meca-Quartz movement, a smart hybrid that combines quartz-induced precision with a mechanical chronograph.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.my-watchsite.fr\/blog\/wp-content\/uploads\/2026\/03\/mecaquartz.jpg\" alt=\"\" class=\"wp-image-47528\" \/><figcaption class=\"wp-element-caption\">The Meca-Quartz calibre by Akrone.<\/figcaption><\/figure>\n\n\n\n<p>The latter is a real booby trap: it\u2019s a quartz watch\u2026 with a chronograph hand that behaves like the one of a mechanical calibre. Even the most enlightened can get fooled.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/www.my-watchsite.fr\/blog\/wp-content\/uploads\/2026\/03\/spring-drive-1.jpg\" alt=\"\" class=\"wp-image-47458\" \/><figcaption class=\"wp-element-caption\">Grand Seiko Evolution 9 Collection \u2013 Spring Drive U.F.A. \u2013 ref. SLGB001<br>Winding: Automatic<br>Accuracy: \u00b120 seconds per year (\u00b13 seconds per month)<br>Power reserve: Approximately 72 hours<br>Number of jewels: 34<br>Diameter: 30.0mm \/ Height: 5.02mm<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Conclusion: Which calibre suits me best?<\/strong><\/h2>\n\n\n\n<p>In the end, it\u2019s up to you.<\/p>\n\n\n\n<ul>\n<li>You don\u2019t want any constraint \u2192 quartz calibre<\/li>\n\n\n\n<li>You want an easy machinery \u2192 self-winding calibre<\/li>\n\n\n\n<li>You like rituals \u2192 manual-winding calibre<\/li>\n\n\n\n<li>You\u2019re looking for exception \u2192 high watchmaking and manufacture calibres<\/li>\n<\/ul>\n\n\n\n<p>There\u2019s no good nor bad choice, only different expectations and preferences.<\/p>\n\n\n\n<figure class=\"wp-block-pullquote has-text-color has-medium-font-size\" style=\"color:#f60101\"><blockquote><p><strong>INSTAGRAM CONTEST FRANK SANS C &amp; IWC<\/strong><br>&nbsp;<br>Win 8 tickets to a masterclass assembling\/disassembling a calibre with a master watchmaker from the IWC manufacture.<br><br><strong>STAY CONNECTED<\/strong><br><a href=\"https:\/\/www.instagram.com\/franksansc_official\/\" target=\"_blank\" rel=\"noreferrer noopener\">@franksansc_official<\/a><\/p><\/blockquote><\/figure>\n\n\n\n<p><strong>See also:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"R\u00e9serve de marche : \u00e0 quoi \u00e7a sert (vraiment) ?\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/UJ3amyxN4C0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Comment lancer sa marque de montre ? Erwan Kerneur, CEO d&#039;Akrone nous r\u00e9pond !\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/s2yIcsyV9Rw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p><strong>Read also: <\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-mywatch-en wp-block-embed-mywatch-en\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"SkA9Y0z27R\"><a href=\"https:\/\/www.my-watchsite.com\/blog\/when-a-watch-shows-reserve\/\">When a watch shows reserve\u2026<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;When a watch shows reserve\u2026&#8221; &#8212; MyWatch EN\" src=\"https:\/\/www.my-watchsite.com\/blog\/when-a-watch-shows-reserve\/embed\/#?secret=bKswyMSMuH#?secret=SkA9Y0z27R\" data-secret=\"SkA9Y0z27R\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-mywatch-en wp-block-embed-mywatch-en\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"LtlVlvoqAp\"><a href=\"https:\/\/www.my-watchsite.com\/blog\/akrone-is-back-with-a-new-thrilling-project\/\">Akrone is back with a new thrilling project<\/a><\/blockquote><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;Akrone is back with a new thrilling project&#8221; &#8212; MyWatch EN\" src=\"https:\/\/www.my-watchsite.com\/blog\/akrone-is-back-with-a-new-thrilling-project\/embed\/#?secret=jpEIo3sbSM#?secret=LtlVlvoqAp\" data-secret=\"LtlVlvoqAp\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Mechanical, automatic, quartz, hybrid, solar-powered\u2026 lost already? Then you are exactly in the right place. In this heavy-duty video, Frank Sans C takes you to the heart of watches, where everything is decided: calibres. Fantasized, criticized, or misunderstood \u2013 the goal is to set the record straight. Helping you understand differences, breaking stereotypes and providing you with enough knowledge to be able to talk about them. Why is Frank Sans C wearing a lab coat? Stay until the end\u2026<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[743,742,744],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Deciphering watch calibres - MyWatch EN<\/title>\n<meta name=\"description\" content=\"Frank Sans C takes us to the heart of watches: calibres. 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