Details

Brand

Ulysse Nardin

Model

Diver Chronometre

Reference

1183-170-3/93

Movement

Automatic cal. UN-118

Case

44 mm

Metal

Titanium

Circa

2025

Dial

Blue

Bezel

Rotating Divers' Bezel

Condition

Excellent

Box/Papers

Yes

About this watch

Band: Blue Rubber (Natural) Clasp: Titanium Pin Buckle Glass: Sapphire crystal Water Resistant: 30 Bar Ulysse Nardin built its sterling reputation on marine chronometers, supplying more than fifty navies from the 1870s through the 1950s. It earned 4,324 precision certificates from 4,504 submitted between 1846 and 1975. The Diver Chronometer, introduced in 2018, continues this tradition with a modern, experimental aesthetic. This Ref. 1183-170-3/93 has a 44 mm titanium case with a brushed finish and polished bevelled corners, weighing a light 130 g. It is pressure-resistant to 30 bar (300 m), sealed by a screw-in crown, with a transparent sapphire case back. The blue dial has a fine-grained texture, with applied luminous indexes and luminous hands. An oversized small seconds sits at six, a date window is set into the dial, and a power reserve indicator is at twelve. Surrounding it is a unidirectional bezel with a concave profile and a raised diving scale. Protecting the dial is a scratch-resistant sapphire crystal. The watch is fitted to a natural rubber strap with an integrated titanium element, secured to the wrist by a titanium pin buckle. Powering the watch is the manufacture calibre UN-118, built from 231 components and certified as a chronometer by the COSC. It runs at 4 Hz (28,800 vph) and offers a 60-hour power reserve fully wound. The movement uses Ulysse Nardin's own DIAMonSIL escapement, a diamond-coated silicon anchor that runs without lubrication, alongside a silicon hairspring with four correction screws. This Ulysse Nardin Diver Chronometer has just been through our service centre, Watch Tech, and is covered by the balance of the manufacturer's warranty. Box, card and swing tag. Circa 2025.