Seiko Cal. 4551 - 623

This Spring Drive model from 1978 features a 39mm Gold-Plated case. With its 19mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-244da5c7b44f]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1978

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