DB28
GS "JPS"
A nod to the daring age of Formula 1 in the 1970s, but also, and above all to that
key period of mechanical and aerodynamic research... De Bethune captures this spirit with the DB28GS JPS
Hours, Minutes, Seconds, Power reserve indication between 9 and 10 o’clock, unidirectional rotating bezel, manual dial
Dial:
Black 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:
Black titanium hours and minutes hands with polished steel insert and second yellow steel insert, luminescent tip - Polished steel seconds hand with luminescent tip
Black zirconium case middle with “Microlight” decoration, black brushed and polished harden stainless steel caseback and bezel – diameter 44 mm – thickness 12,8 mm
Attachments:
Floating lugs in black brushed and polished harden stainless steel, De Bethune Patent (2006)
Glass:
Sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment
Crown at 12 o’clock, setting in two positions
Back:
Open in black polished harden stainless steel
Water Resistance:
10ATM
DB2080 calibre
Movement:
Mechanical hand-wound
Diameter 30 mm – 400 parts – 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, flame-blued and chamfered steel parts
- Self-regulating twin barrel, De Bethune Innovation (2004)
- Titanium balance wheel with white gold inserts, 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)
Jewelling:
35 jewels
Frequency:
28,800 vibrations per hour
Power reserve:
5 days
Natural rubber strap + 1 canvas / leather strap
Buckle: Folding clasp in brushed grade 5 titanium