Round
Box-shaped sapphire crystal with several layers of anti-reflective treatment on both sides
Transparent screw-down case back
Stainless steel
Bidirectional rotating bezel, black ceramic insert with countdown timer, Arabic numerals, baton indexes and triangle reference mark with Super-LumiNova® treatment
39.5 mm
20 mm
Up to 10 bar (100 metres)
13.4 mm
Matt black
10 applied gilt Arabic numerals with Super-LumiNova® treatment
Gilt, with Super-LumiNova® treatment
Up to 68 hours
Hand-wound mechanical movement
Exclusive Longines column-wheel calibre L792.4
Hours, minutes and small seconds at 9 o’clock
Chronograph with flyback function; 30-minute counter at 3 o’clock
Leather strap
Brown
Double safety folding clasp and push-pie- ce opening mechanism ; micro-adjustment ; interchangeability system