Seiko Cal. 0770 - 678

Released in 1979, the Cal. 0770 with design code 678 was part of Seiko's domestic market collection. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-6020bb1641bf]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1979

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