Seiko Cal. 3831 - 340

Seiko 3831-340

This Hand-Winding model from 1988 features a 38mm PVD Black case. Powered by the 3831 caliber with 18j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-40331370f567]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
38mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
190m
Dial Color
Cream
Jewels
18j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1988

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seikata-wm-40331370f567