Mark: Longines
Model: Ultra-Chron Diver
Reference number: L2.836.4.52.8, for example of strap; L2.836.4.52.9, for bracelet example

Diameter: 43mm
Thickness: 13.6mm
Housing: Stainless steel
Dial color: Black, with grained finish
Indexes: Applied, at three, six, nine and 12 o’clock
Light : Yes, C3 Super-LumiNova
Water resistance: 300 meters
Strap/Wristband: Seven-link stainless steel bracelet with double safety folding clasp and push-button opening mechanism, plus black and red NATO-style bracelet in recycled material; brown leather strap with stainless steel buckle, plus black and red NATO style strap in recycled material; 22mm horn width