Seiko Cal. 3890 - 976

The Seiko 3890-976 represents an important milestone in Seiko's 1993 lineup. Powered by the 3890 caliber with 34j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-c428b64ef0d5]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1993

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