Seiko Cal. 0770 - 307

The Seiko 0770-307 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-73e5b8ac7be1]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1971

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