This is the rebirth of a true icon. The Longines Ultra-Chron has been inspired by the brand's original Ultra-Chron Diver from 1968. This new watch reflects the design of its legendary predecessor beautifully. Longines' new Ultra-Chron watch is the brand's most accurate watch to date. The timepieces in the line feature a high-frequency movement which guarantees exceptional precision. 

Core features of the Longines Ultra-Chron collection:

• Ultra-Chron watches have a high-frequency movement which guarantees they are ultra-precise. 
• Inspired by a diver's watch, the models feature a unidirectional bezel, a screw-in crown and a 300-meter water resistance.
• Covering the dial is an anti-reflective scratch-resistant sapphire crystal. 
• The movement features a monocrystalline silicon balance spring.

Model Specification: L28364526

• The case is made of stainless steel and measures 43 mm in diameter.
• A stainless steel bracelet adds to the watch’s timeless appeal and gives it a more classic look.
• The sleek black dial is complemented by luminescent hour-markers and hands.
• Features on the model include hours, minutes and seconds.
• Movement Type - Automatic with a 52-hour power reserve, beating at 36'000 vibrations per hour.
• Calibre - L836