PRODUCT DESCRIPTION:
Reference: L2.836.4.52.9
Collection: ULTRA-CHRON BOX EDITION.
Movement type: Automatic.
Case material: Stainless steel.
Strap material: Stainless steel.

MOVEMENT AND FUCTIONS:
Movement type: Automatic.
Caliber: L836. Self winding mechanical movement beating at 36’000 vibrations per hour, with a monocrystalline silicon balance-spring power reserve of approximately 52 hours
Function: 

Hours, minutes, seconds.

CASE:
Material: Stainless steel.
Dimension: Ø 43.00 mm.
Water resistance: Water-resistant to 30 bar.
Glass: Scratch-resistant sapphire crystal, with several layers of anti-reflective coating on both sides
Dial:Black with applied indexes. Silvered polished hands
Thickness: 13.60 mm.
Specificities: Screw-in crown, Unidirectional rotating bezel. Screw-down case back

STRAP:
Material: Stainless steel.
Buckle: With double safety folding clasp and push-piece opening mechanism
 

The Ultra Most Accurate Watch

Inspired by the original Longines Ultra-Chron Diver of 1968, the new model and its new high-frequency calibre represent the first reinterpretation of what sets Longines apart – its status as a pioneer in the world of sports timing.

It will appeal to both vintage watch aficionados and lovers of high technology. Featuring a steel bracelet, this model is delivered in a special presentation box containing a black NATO strap crafted from recycled material.