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Technical data:
Movement
El Primero 4057B, Automatic
Caliber 13 1/4 “` (Diameter: 30 mm)
Depth 6.60 mm
Parts 326
Jewels 31
Frequency 36,000 V/h – (5 Hz)
Power reserve over 50 hours
Finish oscillating weight with “Côtes de Genève”
pattern
Case, Dial & Hands
Material stainless steel
Diameter 45.5 mm
Crystal sapphire glass with antireflection treatment
on both sides
Case back transparent sapphire glass
Water-resistance 10 atm / 100 meters
Dial silver sunray with 3 colored counters
Indexes & numerals rhodium-plated faceted with
Superluminova SLN C1
Hands rhodium-plated faceted with Superluminova
SLN C1
Functions
Hours and minutes in the center
Small seconds at 9 o’clock
Date indicator at 6 o’clock
1/10th of a second chronograph
60-minute counter at 6 o’clock
60-second counter at 3 o’clock
1/10th of a second indicated by the chro-
nograph hand
Strap & Buckle
Black alligator-leather strap with stain-
less steel triple folding buckle
Metal bracelet with stainless steel triple
folding buckle