Seiko Cal. 4597 - 612

This Spring Drive model from 1967 features a 45mm Hardlex-Coated Steel case. With its 22mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-af467ede2535]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1967

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