Current collection

  • De Bethune
  • De Bethune

DB21 Maxichrono

Reference: DB21

The vision? To create watchmaking’s purest and most absolute chronograph. To endow it with a resolutely contemporary expression. And to rethink its design, along with its architecture and technical construction.


Hours, Minutes, Mono-pusher chronograph with 24-hour, 60-minute and 60-second counters



Dial: Three-dimensional dial constructed on different levels to maximise readability. From the centre to the periphery: silver-toned central hours counter – hours ring in titanium with blued markers – silver-toned minutes ring and minutes counter transfer-printed red numerals – silver-toned 1/10th of second graduated outer ring for seconds counter

Hands: 5 curved central hands – hand-polished steel for hours and minutes hands and flame-blued steel chronograph hours and seconds indicators, Chronograph minutes indicator in red


Platinum – diameter 44.4 mm – thickness 12 mm 

Short or long floating lugs in blued grade 5 titanium, De Bethune Patent (2006)

Sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment
Crown at 6 o’clock, setting in two positions

Revealing the mechanism with hand-polished steel bridges 
Sapphire crystal (hardness of 1800 Vickers) with double anti-reflective coating


DB2034 calibre

Mechanical hand-wound 

Diameter 30 mm – 426 parts – Bridges mirror-polished, sandblasted and snailed by hand – Steel parts polished and chamfered by hand

- Self-regulating twin barrel, De Bethune Innovation (2004)
- Balance wheel in thermo-compensated silicium, De Bethune Patent (2006)
- "De Bethune" balance-spring with flat terminal curve, De Bethune Patent (2006)
- Silicon escape wheel

51 jewels

36,000 vibrations per hour

Power reserve:
5 days


Extra-supple alligator leather, alligator lining

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