Seiko Cal. 6698 - 601

This Spring Drive model from 1979 features a 40mm Hardlex-Coated Steel case. It features a White dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-a7ffcb0a7ed4]

Also known as: Bullhead, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1979

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