L.U.C Perpetual Chrono


18ct “Fairmined” gold

Total diameter                                                        45 mm

Thickness                                                              15.06 mm

Water resistance                                                     30 metres

18ct gold crown with L.U.C logo                               8.50 mm

Vertical satin-brushed case middle

Exhibition back with glareproofed sapphire crystal




Hand-wound movement                                          L.U.C 03.10-L

Total diameter                                                       33.00 mm

Thickness                                                               8.32 mm

Number of jewels                                                   42

Frequency                                                               28,800 vph (4 Hz)

Power reserve                                                         60 hours

Nickel silver mainplate and bridges

Côtes de Genève motif adorning the bridges

Chronometer-certified by the COSC

Poinçon de Genève


Dial and hands:

Ruthenium-toned sunburst satin-brushed and hand-guilloché gold dial, with beams radiating from the date – Snailed silver-toned inner bezel ring – red and black transfers

Rhodiumed Roman numerals and hour-markers

Rhodiumed Dauphine-type hands for the hours, minutes, small seconds, day and month counters

Baton-type rhodiumed red-tipped sweep-seconds hand

Minute track



Functions and displays:

Central display of the hours and minutes

Small seconds at 6 o’clock

Large date at 12 o’clock

Days of the week displayed at 9 o’clock and months at 3 o’clock

Off-set day/night display at 10 o’clock and offset leap-year indication at 2 o’clock

Orbital moon display at 6 o’clock

Vertical coupling-clutch chronograph with flyback function

12-hour counter at 9 o’clock

30-minute counter at 3 o’clock

Time-setting with stop-seconds function



Strap and buckle:

Hand-sewn double-sided alligator leather strap dyed with plant-based pigments (CITES certified)

Pin buckle in “Fairmined” 18 ct gold