Seiko Cal. 4536 - 609

This Hand-Winding model from 1977 features a 41mm PVD Black case. With its 19mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-c64ebb504c05]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1977

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