DB28GS

Grand Bleu

Ref: DB28GSV2AN

Back to collection

A new calibre with enhanced features: water resistance of over 100 meters, exceptional readability even in the darkest depths thanks to innovative internal lighting and a new photoluminescent blue. The updated rotating bezel, integrated with the crystal, alloys for precise dive time tracking. Housed in a lightweight titanium case for optimal comfort and paired with a convenient rubber strap, this timepiece also offers an impressive five-day power reserve, making it the perfect companion for both adventure and daily wear.

Functions

Hours, Minutes, Seconds, Power reserve indication between 9 and 10 o’clock, unidirectional rotating bezel, manual dial lighting

Case

Material

Black zirconium case middle with “Microlight” decoration, brushed and polished grade 5 titanium caseback and bezel

Diameter

44 mm

Thickness

12,80 mm

Lugs 

Floating lugs in brushed grade 5 titanium – De Bethune Patent (2006)

Crystal 

Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating

Case back

Open in brushed grade 5 titanium

Calibre DB2080

TYPE

Mechanical manual-winding calibre

POWER RESERVE

5 days, ensured by a self-regulating twin barrel,  De Bethune Innovation (2004)

Technical features

  • Titanium balance wheel with white gold inserts, optimised for temperature differences and air penetration , De Bethune Patent (2016)
  • “De Bethune” balance-spring with flat terminal curve, De Bethune Patent (2006)
  • Silicon escape wheel
  • Triple pare-chute shock-absorbing system, De Bethune Innovation (2005)
  • Dial lighting produced by an entirely mechanical means working on the dynamo principle powered by a twin barrel and manually controlled via a pusher, De Bethune Innovation (2019)

display

DIAL

  • Satin-brushed grade 5 titanium minutes dial with cut-out Arabic numerals
  • Rotating bezel crystal with metallised minutes ring
  • Power-reserve indicator between 9 and 10 o’clock

HANDS

  • Blued titanium hours and minutes hands with polished steel insert and second blued steel insert, luminescent tip
  • Polished steel seconds hand with luminescent tip

Specifications

Watch

Case

Material

Mechanical manual-winding calibre

Diameter

44 mm

Thickness

12,80 mm

Lugs

Floating lugs in brushed grade 5 titanium – De Bethune Patent (2006)

Crystal

Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating

Case back

Open in brushed grade 5 titanium

Display

Dial

Satin-brushed grade 5 titanium minutes dial with cut-out Arabic numerals
Rotating bezel crystal with metallised minutes ring
Power-reserve indicator between 9 and 10 o’clock

Hand

Blued titanium hours and minutes hands with polished steel insert and second blued steel insert, luminescent tip
Polished steel seconds hand with luminescent tip

Calibre

TYPE

Mechanical manual-winding calibre

POWER RESERVE

5 days, ensured by a self-regulating twin barrel,  De Bethune Innovation (2004)

Number of parts 

400

Jewelling

51 jewels

Diameter

30 mm

Frequency

28’800 vibrations per hour

Adornment 

  • Mirror- polished grade 5 titanium motion-work bridge
  • Plate and barrel bridge covers in hand-smoothed grade 5 titanium and adorned with “Microlight engraving”
  • De Bethune Innovation (2007)
  • Hand-snailed barrels
  • Hand-polished and chamfered steel parts

Technical features

  • Titanium balance wheel with white gold inserts, optimised for temperature differences and air penetration , De Bethune Patent (2016)
  • “De Bethune” balance-spring with flat terminal curve, De Bethune Patent (2006)
  • Silicon escape wheel
  • Triple pare-chute shock-absorbing system, De Bethune Innovation (2005)
  • Dial lighting produced by an entirely mechanical means working on the dynamo principle powered by a twin barrel and manually controlled via a pusher, De Bethune Innovation (2019)
Resources

Technical Description

Download EN
Download FR

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