Seiko Cal. 0774 - 765

The Seiko 0774-765 represents an important milestone in Seiko's 1978 lineup. Powered by the 0774 caliber with 34j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-7c4b9b296e67]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1978

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