Seiko Cal. 6693 - 958

This Hand-Winding model from 1978 features a 45mm Titanium case. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-fae392c463d7]

Also known as: Sumo, Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1978

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