Seiko Cal. 6664 - 966

This Hand-Winding model from 1974 features a 37mm Hardlex-Coated Steel case. Powered by the 6664 caliber with 29j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-31a733989171]

Also known as: Monster, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1974

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