Seiko Cal. 5670 - 887

This Spring Drive model from 1987 features a 39mm Gold-Plated case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-1f9439308c96]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1987

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