Seiko Cal. 3815 - 831

Seiko 3815-831

This Automatic model from 1992 features a 37mm Two-Tone case. Powered by the 3815 caliber with 29j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-d5d90a22a4d6]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
37mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
White
Jewels
29j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1992

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