Case

Specs:: Screw-in crown
Dimensions:: Ø 42.00 mm
Glass:: Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides
Material:: Stainless steel
Shape:: Round
Thickness:: 17.00 mm
Water Resistance:: Water-resistant to 10 bar
Weight:: 131.0 g
Lug Distance:: 22 mm

Dial

Description:: Self winding mechanical movement beating at 28'800 vibrations per hour, with a monocrystalline silicon balance-spring power reserve up to 68 hours
Type:: Automatic
Caliber:: L791
Functions:: Hours, minutes, small seconds at 9 o'clock and date
Chronograph:: Column Wheel Chronograph
Chronograph mechanism: central 60 seconds hand, 30 minutes counter at 3 o'clock and 12 hours counter at 6 o'clock
Special Functions:: Chronometer certified by the COSC

Face:: Leather Strap
Colour:: Brown
Material:: Stainless steel
Buckle:: With double security folding clasp with micro adjustment system. Easily change your bracelet/strap thanks to the Longines interchangeable system