Seiko Cal. 5271 - 761

This Hand-Winding model from 1972 features a 37mm PVD Black case. With its 21mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-4d2707f386b8]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1972

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