Seiko Cal. 3857 - 881

This Solar model from 1975 features a 39mm Stainless Steel case. Powered by the 3857 caliber with 23j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-f28c8447d148]

Also known as: UFO, Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1975

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