Seiko Cal. 6318 - 100

This Automatic model from 1978 features a 41mm Stainless Steel case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-08a7555e3f4d]

Also known as: Sumo, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

30j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1978

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