Seiko Cal. 6656 - 513

This Hand-Winding model from 1972 features a 45mm Two-Tone case. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-80705ee7ac8f]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1972

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