Seiko Cal. 6660 - 989

This Spring Drive model from 1965 features a 46mm Hardlex-Coated Steel case. It features a White dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-6022c7ee788b]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1965

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