Seiko Cal. 6693 - 659

This Hand-Winding model from 1973 features a 43mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-f1c7346b1456]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1973

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