Seiko Cal. 3890 - 938

The Seiko 3890-938 represents an important milestone in Seiko's 1991 lineup. Powered by the 3890 caliber with 18j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-905d24ce4e6e]

Also known as: Shogun, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1991

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