Seiko Cal. 4563 - 923

This Spring Drive model from 1966 features a 37mm Two-Tone case. With its 19mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-833ff2bebe75]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1966

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