Seiko Cal. 5657 - 603

This Kinetic model from 1978 features a 37mm Gold-Plated case. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-2fcb3fbbc887]

Also known as: Sumo, Navigator

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1978

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