Seiko Cal. 4513 - 643

This Hand-Winding model from 1977 features a 45mm Stainless Steel case. With its 19mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-268633e0eccd]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1977

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