Seiko Cal. 3831 - 900

Seiko 3831-900

This Hand-Winding model from 1992 features a 46mm PVD Black case. Powered by the 3831 caliber with 22j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-dad30901c0f3]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
46mm
Case Thickness
8.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1992

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seikata-wm-dad30901c0f3