Seiko Cal. 6397 - 422

This Spring Drive model from 1985 features a 44mm Gold-Plated case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-85402886abff]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1985

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