Seiko Cal. 6316 - 979

This Spring Drive model from 1987 features a 37mm Titanium case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-8ab754778231]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1987

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