Seiko Cal. 3889 - 888

This Hand-Winding model from 1982 features a 35mm Stainless Steel case. Powered by the 3889 caliber with 22j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-7279b40099c2]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1982

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