Seiko Cal. 0772 - 978

The Seiko 0772-978 represents an important milestone in Seiko's 1989 lineup. Powered by the 0772 caliber with 20j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-fbf73226a0b4]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1989

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