Seiko Cal. 3858 - 921

This Spring Drive model from 1977 features a 46mm Stainless Steel case. Powered by the 3858 caliber with 34j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-6ae63d11c5f0]

Also known as: Silverwave, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1977

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