Watch:
Case
Case Material: 904L Steel
Diameter: 42mm
Case-Back: Closed
Dial: Blue with a Clous de Paris pattern
Water Resistance: 100 m
Strap
Strap Material: 904L Steel
Buckle: Steel triple-folding buckle
Movement:
Mechanism: Self-winding mechanical
Frequency: 28,800 vib/h – (4 Hz)
Number of Jewels: 63
Power Reserve: min. 46h
Functions:
Chronograph, date, hours and minutes, small seconds
Reference Number: 81020-11-431-11A