Grande Lange 1 Lumen

117.035

Brand  : A. Lange & Söhne
Collection  : Lange 1
Model  : Grande Lange 1 Lumen
Reference  : 117.035
Nber of pieces : 100
Complement : Platinium - Crocodile Strap
On sale : 2013

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  • Brand  : A. Lange & Söhne
    Collection  : Lange 1
    Model  : Grande Lange 1 Lumen
    Reference  : 117.035
    Nber of pieces : 100
    Complement : Platinium - Crocodile Strap
    On sale : 2013
    List Price : On request
    Diameter : 40.90 mm
    Thickness : 9.80 mm
    Styles : Atypical
    High Horology
    Types : Hand-winding
    Calibre : L095.2
    Calibre distinction : Hand-engraved
    Complication : Stop second mechanism
    Small Seconds
    Power Reserve Indicator
    Big Date
    Case material : Platinum
    Case peculiarity : Sapphire caseback
    Pusher at 10 o'clock
    Shape : Round
    Dial : Sapphire
    Solid silver
    Dial color : Black
    Display : Luminescent gold hands
    Indexes : Diamond-shaped
    Roman numerals
    Luminescent
    Glass : Sapphire
    hardness 9
    Strap material : Croco
    Strap color : Black
    Strap clasp : Pin buckle
    + More characteristics : Movement
    Diameter: 34.1 millimetres
    Height: 4.7 millimetres
    Lange manufacture calibre L095.2. manually wound. crafted to the most exacting Lange quality standards. decorated and assembled by hand; precision-adjusted in five positions; plates and bridges made of untreated German silver; balance cock engraved by hand
    Movement parts: 400
    Jewels: 42
    Screwed gold chatons: 7
    Lever escapement
    Shock-resistant screw balance; superior-quality balance spring
    manufactured in-house. frequency 21.600 semi-oscillations per hour. precision beat adjustment system with lateral setscrew and whiplash spring
    Power reserve: 72 hours when fully wound

    Functions
    Time indicated in hours. minutes. and subsidiary seconds with stop seconds; power-reserve indicator; outsize date

    Operating elements
    Crown for winding the watch and setting the time; push piece for rapid correction of the outsize date

    Dial
    Basic dial (outer ring. hour. minutes. small seconds) of solid silver (black). recessed parts of sapphire crystal with semitransparent coating; luminous outsize date and indications for hours and power-reserve

    Hands
    Rhodiumed gold; hours. minutes. power-reserve indicator luminous

    Hand-stitched crocodile strap. black
    Buckle Lange prong buckle in platinum

DESCRIPTION

  • The enlightenment of the outsize date

    The limited GRAND LANGE 1 “Lumen” offers enlightenment: a semi-transparent dial exposes the ingenious mechanism of the first luminescent outsize date display by A. Lange & Söhne.

    When it was first presented, it evoked excitement and kicked off a trend that soon found many imitators: the Lange outsize date. Together with the asymmetric dial, it elevated the LANGE 1 to the status of an icon of classic design. However, the secret behind the complex mechanism responsible for this unprecedented date display format remained hidden beneath the solid-silver dial. Now, the GRAND LANGE 1 with the Latin attribute “Lumen” reveals this secret. The name of the timepiece, which comes in a limited edition of 100 watches in platinum cases, says it all. Parts of its dial consist of semitransparent sapphire crystal. Only the outer ring and the surfaces of the displays for hours and minutes as well as small seconds are made of blackened silver. The sapphire crystal surfaces reveal the disc mechanism of the first outsize date that glows in the dark. Additionally, the time and the power reserve are also legible in the dark.

    The technical challenge encountered during the development of the GRAND LANGE 1 “Lumen” was to ensure maximum luminosity for the date display, even immediately after the daily switching operation. Lange’s product developers solved this issue in an exceptional way. While the tens cross was coated with a white luminous compound and subsequently imprinted with black numerals, the units disc consists of transparent glass imprinted with black numerals and rotates before a luminous background.

    The sapphire crystal sections of the dial are treated with a special coating that blocks most of the visible spectrum of light. For the invisible UV light spectrum, however, the coating does not represent a barrier. Therefore, UV radiation can pass through to the luminous surfaces of the outsize date unhindered. This produces an interesting side effect: the date platform with its manually applied perlage, normally seen only by the watchmaker during the assembly process, is now visible to the owner as well. The small, overlapping circular graining produced by hand using a rotating abrasive peg is normally concealed underneath the dial.

    The craftsmanship and virtuosity invested in the L095.2 manufacture movement, which is assembled twice, can also be admired from the other side through the sapphire-crystal caseback. Indeed, the GRAND LANGE 1 “Lumen” radiates charisma from every angle.

    Only last year, A. Lange & Söhne endowed the GRAND LANGE 1 with a totally new, manually wound calibre. The omission of the second mainspring barrel as well as the effective arrangement of the parts reduced the overall height of the calibre without any compromise in terms of power reserve, making it possible to transpose the graceful dial architecture of the LANGE 1 to the enlarged model. The dial of the GRAND LANGE 1 “Lumen” presents the indications of the hours, minutes, seconds, outsize date, and power reserve without any overlaps.
  • The enlightenment of the outsize date

    The limited GRAND LANGE 1 “Lumen” offers enlightenment: a semi-transparent dial exposes the ingenious mechanism of the first luminescent outsize date display by A. Lange & Söhne.

    When it was first presented, it evoked excitement and kicked off a trend that soon found many imitators: the Lange outsize date. Together with the asymmetric dial, it elevated the LANGE 1 to the status of an icon of classic design. However, the secret behind the complex mechanism responsible for this unprecedented date display format remained hidden beneath the solid-silver dial. Now, the GRAND LANGE 1 with the Latin attribute “Lumen” reveals this secret. The name of the timepiece, which comes in a limited edition of 100 watches in platinum cases, says it all. Parts of its dial consist of semitransparent sapphire crystal. Only the outer ring and the surfaces of the displays for hours and minutes as well as small seconds are made of blackened silver. The sapphire crystal surfaces reveal the disc mechanism of the first outsize date that glows in the dark. Additionally, the time and the power reserve are also legible in the dark.

    The technical challenge encountered during the development of the GRAND LANGE 1 “Lumen” was to ensure maximum luminosity for the date display, even immediately after the daily switching operation. Lange’s product developers solved this issue in an exceptional way. While the tens cross was coated with a white luminous compound and subsequently imprinted with black numerals, the units disc consists of transparent glass imprinted with black numerals and rotates before a luminous background.

    The sapphire crystal sections of the dial are treated with a special coating that blocks most of the visible spectrum of light. For the invisible UV light spectrum, however, the coating does not represent a barrier. Therefore, UV radiation can pass through to the luminous surfaces of the outsize date unhindered. This produces an interesting side effect: the date platform with its manually applied perlage, normally seen only by the watchmaker during the assembly process, is now visible to the owner as well. The small, overlapping circular graining produced by hand using a rotating abrasive peg is normally concealed underneath the dial.

    The craftsmanship and virtuosity invested in the L095.2 manufacture movement, which is assembled twice, can also be admired from the other side through the sapphire-crystal caseback. Indeed, the GRAND LANGE 1 “Lumen” radiates charisma from every angle.

    Only last year, A. Lange & Söhne endowed the GRAND LANGE 1 with a totally new, manually wound calibre. The omission of the second mainspring barrel as well as the effective arrangement of the parts reduced the overall height of the calibre without any compromise in terms of power reserve, making it possible to transpose the graceful dial architecture of the LANGE 1 to the enlarged model. The dial of the GRAND LANGE 1 “Lumen” presents the indications of the hours, minutes, seconds, outsize date, and power reserve without any overlaps.
  • Brand  : A. Lange & Söhne
    Collection  : Lange 1
    Model  : Grande Lange 1 Lumen
    Reference  : 117.035
    Nber of pieces : 100
    Complement : Platinium - Crocodile Strap
    On sale : 2013
    List Price : On request
    Diameter : 40.90 mm
    Thickness : 9.80 mm
    Styles : Atypical
    High Horology
    Types : Hand-winding
    Calibre : L095.2
    Calibre distinction : Hand-engraved
    Complication : Stop second mechanism
    Small Seconds
    Power Reserve Indicator
    Big Date
    Case material : Platinum
    Case peculiarity : Sapphire caseback
    Pusher at 10 o'clock
    Shape : Round
    Dial : Sapphire
    Solid silver
    Dial color : Black
    Display : Luminescent gold hands
    Indexes : Diamond-shaped
    Roman numerals
    Luminescent
    Glass : Sapphire
    hardness 9
    Strap material : Croco
    Strap color : Black
    Strap clasp : Pin buckle
    More characteristics : Movement
    Diameter: 34.1 millimetres
    Height: 4.7 millimetres
    Lange manufacture calibre L095.2. manually wound. crafted to the most exacting Lange quality standards. decorated and assembled by hand; precision-adjusted in five positions; plates and bridges made of untreated German silver; balance cock engraved by hand
    Movement parts: 400
    Jewels: 42
    Screwed gold chatons: 7
    Lever escapement
    Shock-resistant screw balance; superior-quality balance spring
    manufactured in-house. frequency 21.600 semi-oscillations per hour. precision beat adjustment system with lateral setscrew and whiplash spring
    Power reserve: 72 hours when fully wound

    Functions
    Time indicated in hours. minutes. and subsidiary seconds with stop seconds; power-reserve indicator; outsize date

    Operating elements
    Crown for winding the watch and setting the time; push piece for rapid correction of the outsize date

    Dial
    Basic dial (outer ring. hour. minutes. small seconds) of solid silver (black). recessed parts of sapphire crystal with semitransparent coating; luminous outsize date and indications for hours and power-reserve

    Hands
    Rhodiumed gold; hours. minutes. power-reserve indicator luminous

    Hand-stitched crocodile strap. black
    Buckle Lange prong buckle in platinum