Case

Shape

Round

Diameter (in mm)

43

Material

Stainless Steel

Winding Crown

Knurled crown

Water Resistance

30 m (3 atm)

Crystal

Scratch resistant sapphire

Model Case

Polished stainless steel case,Transparent case-back engraved with individual series number

Bezel

Polished stainless steel fixed bezel

Dial

Indexes

Roman Numerals

Color

Black

Details

All-black technical dial,At the center of the Grande seconds sub-dial is a date function with the odd numbers in Arabic numerals & the even days as dots,Off- set hours & minutes sub-dial at top of the dial with matt silver Roman numeral hour markers & minute track,Off-set grande (over-sized) seconds sub-dial at the bottom of the dial with matt silver Arabic numeral 10 seconds incremental markings & an index seconds track,Rhodium treated date hand with red varnished tip,Rhodium treated hours, minutes & seconds hands

Movement

Movement

Self-winding mechanical

Frequency

28,800 vph

Winding

Automatic

Jewels

30

Functions

Date,Hours,Minutes,Seconds

Power Reserve

68 Hours

Oscillator

Heavy metal oscillating weight

Caliber

Jaquet Droz 2660Q2

Bracelet

Clasp

Stainless steel folding clasp

Material

Black Alligator Leather

Bracelet

Rolled-edge hand-made black alligator leather strap