Seiko Cal. 3881 - 412

This Solar model from 1972 features a 45mm Hardlex-Coated Steel case. Powered by the 3881 caliber with 35j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-8110df012b8b]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1972

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