Seiko Cal. 3850 - 877

Seiko 3850-877

This Solar model from 1972 features a 37mm Titanium case. Powered by the 3850 caliber with 21j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-cf144bd5ce80]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
37mm
Case Thickness
10.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
90m
Dial Color
Black
Jewels
21j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1972

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seikata-wm-cf144bd5ce80