Seiko Cal. 4412 - 163

This Spring Drive model from 1977 features a 44mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-234349f3bec0]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1977

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