Seiko Cal. 6397 - 904

This Hand-Winding model from 1986 features a 43mm Two-Tone case. Powered by the 6397 caliber with 22j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-58aa45798ecf]

Also known as: Sumo, Panda

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1986

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