Seiko Cal. 4539 - 781

This Hand-Winding model from 1976 features a 43mm Stainless Steel case. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-c5485e9417cd]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1976

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