This Hydroconquest features a green lacquered polished dial and a stainless steel bracelet with a double security folding clasp and micro adjustment system. It is water-resistant to 30 bar (300 metres) and equipped with a scratch-resistant sapphire crystal with anti-reflective coating on both sides. The unidirectional rotating bezel uses ceramic for enhanced durability. Power comes from an exclusive self-winding mechanical calibre with a monocrystalline silicon balance-spring and a 72-hour power reserve.

Movement	Self-winding mechanical, calibre L888
Calibre	L888
Power Reserve	72 hours
Vibrations	25,200 per hour
Balance Spring	Monocrystalline silicon
Case Material	Stainless steel
Case Diameter	39 mm
Bezel Material	Ceramic
Bezel Type	Unidirectional rotating
Water Resistance	30 bar (300 metres)
Crystal	Scratch-resistant sapphire with anti-reflective coating
Dial Color	Green lacquered polished
Lume	Swiss Super-LumiNova
Crown	Screw-in
Case Back	Screw-down
Strap Material	Stainless steel
Clasp	Double security folding clasp with micro adjustment
Functions	Hours, minutes, seconds, date
Warranty	5 years

Longines Hydroconquest Automatic 39mm Watch L3.779.4.06.6