Seiko Cal. 6689 - 371

This Kinetic model from 1975 features a 42mm Hardlex-Coated Steel case. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-f4b173eff70e]

Also known as: Helmet, Rally

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1975

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