Seiko Cal. 4542 - 571

This Hand-Winding model from 1970 features a 41mm Titanium case. With its 22mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-2369b49ccba3]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1970

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