Seiko Cal. 7166 - 402

This Automatic model from 1975 features a 42mm Stainless Steel case. It features a Black dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-4fa58033c893]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1975

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