Seiko Cal. 0766 - 977

The 0766-977 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0766 caliber with 19j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-a12658eb73ac]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1988

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