Seiko Cal. 3851 - 931

Seiko 3851-931

This Solar model from 1979 features a 39mm Titanium case. Powered by the 3851 caliber with 20j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-5528e2b0c5d3]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
39mm
Case Thickness
8.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1979

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seikata-wm-5528e2b0c5d3