Seiko Cal. 4540 - 959

This Hand-Winding model from 1987 features a 42mm Titanium case. With its 18mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-0c9f82b25fc3]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1987

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