Watch:
Case
Case Material: Stainless Steel
Diameter: 42mm
Case-Back: Sapphire crystal
Dial: No dial
Water Resistance: 100 m
Strap
Strap Material: Steel
Buckle: Steel triple-folding buckle
Movement:
Mechanism: Self-winding mechanical
Frequency: 28,800 vib/h – (4 Hz)
Number of Jewels: 25
Power Reserve: min. 54h
Functions:
Hours and minutes, small seconds
Reference Number: 81015-11-001-11A