ULYSSE NARDIN Marine Chronometer Torpilleur Ref. 1183-310/43 Self-Winding Cal. UN-118 (PR: 60h)

Polished stainless steel case with brushed finished lug tops.
Thin, fixed bezel ring with a coined edge.
Blue dial with a very fune sunray finish.
Fine printed Roman Numeral hour markers & minute track.
Polished hands.
Small seconds sub-dial located at the 6 o'clock position.
Power reserve indicator located at the 12 o'clock position.
Date window at the 6 o'clock position.
Ulysse Nardin in-house manufactured Caliber UN-118 features:
Beats at 28,800 vph.
Contains 50 Jewels
An approximate power reserve of 60 hours.
The movement features a anchor escapement which is produced using DIAMonSIL, Ulysse Nardin's revolutionary alliance of diamond and silicon. DIAMonSIL is silicon treated with a thin layer of diamond coating that not only eliminates the need for lubrication, but also significantly increases the part's durability.
Ulysse Nardin's patented silicon hairspring & in-house produced oscillator with 4 correction screws.
Rotor features 2 anchors as part of the rotor design & a blue medallion made of DIAMonSIL with the UN logo.