Seiko Cal. 6637 - 561

This Kinetic model from 1982 features a 46mm Stainless Steel case. With its 21mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-4743c00e7b5d]

Also known as: Tuna, Pogue

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1982

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