Seiko Cal. 6164 - 660

This Spring Drive model from 1974 features a 41mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-86d24d5f00d6]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1974

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