Seiko Cal. 0766 - 769

This Hand-Winding model from 1984 features a 37mm Stainless Steel case. Powered by the 0766 caliber with 31j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-154d6ad06683]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1984

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