Seiko Cal. 6683 - 440

This Spring Drive model from 1977 features a 41mm Titanium case. With its 20mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-021e3b873c79]

Also known as: UFO, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1977

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