Seiko Cal. 6331 - 336

This Kinetic model from 1978 features a 38mm Titanium case. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-626feafa81aa]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1978

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