Frederique Constant Highlife Automatic COSC 41mm Watch hide-price In this 41 mm stainless

In this 41 mm stainless steel model

The black embossed alligator leather strap with tone-on-tone stitching

Features Caliber: H-10 Case Size: 34mm Case Material: Stainless Steel Dial Colour: Blue Crystal: Sapphire Lug Width: 18mm Power Reserve: 80-hour Water Resistance: 10 bar (100 metres) Anti Reflection Open Case Back Screw Down Crown Nivachron Strap Type: Stainless Steel Buckle Type: Butterfly Buckle Width: 16mm

Featured in The Martian (2015)

Frederique Constant Highlife Automatic COSC 41mm Watch hide-price In this 41 mm stainlessTesting Institute). This certificate is only issued to pieces that can guarantee perfect isochronism over a given time and at given positions in effect, their ability to tell the time correctly, consistently and precisely, within the strict limits enforced by an ISO standard. The COSC is an independent Swiss organisation that only issues its chronometer certificates to these pieces after the watches have undergone numerous tests over several days.