Seiko Cal. 3875 - 813

This Spring Drive model from 1970 features a 34mm Stainless Steel case. Powered by the 3875 caliber with 35j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-0d4de84d1e77]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1970

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