Seiko Cal. 5653 - 615

This Automatic model from 1979 features a 37mm Stainless Steel case. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-8524a63d5f90]

Also known as: Monster, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1979

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