Seiko Cal. 6661 - 836

This Hand-Winding model from 1977 features a 34mm Hardlex-Coated Steel case. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-6a5cff9ebe86]

Also known as: UFO, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1977

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