Seiko Cal. 5633 - 923

This Spring Drive model from 1976 features a 45mm Gold-Plated case. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-727adebac5e2]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1976

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