Seiko Cal. 6628 - 918

This Spring Drive model from 1988 features a 37mm Hardlex-Coated Steel case. It features a Silver dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-7d86da2e7802]

Also known as: Samurai, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1988

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