Seiko Cal. 3850 - 630

Seiko 3850-630

This Automatic model from 1981 features a 37mm PVD Black case. Powered by the 3850 caliber with 29j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-93a13f8815eb]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
37mm
Case Thickness
10.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
100m
Dial Color
White
Jewels
29j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1981

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