Seiko Cal. 3870 - 970

Seiko 3870-970

This Solar model from 1965 features a 36mm Titanium case. Powered by the 3870 caliber with 25j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-30fd6fc41d83]

Also known as: Sumo, Flighty

Specifications

Movement
Solar
Case Material
Titanium
Case Width
36mm
Case Thickness
14.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Champagne
Jewels
25j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1965

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seikata-wm-30fd6fc41d83