Seiko Cal. 4557 - 423

This Spring Drive model from 1967 features a 39mm PVD Black case. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-4527f48f5ac9]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1967

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