Seiko Cal. 6690 - 674

This Hand-Winding model from 1976 features a 40mm Hardlex-Coated Steel case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-3d0af7ec45b7]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1976

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