Seiko Cal. 4530 - 799

This Spring Drive model from 1976 features a 37mm PVD Black case. With its 21mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-baf6b6667211]

Also known as: World Timer, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1976

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