Seiko Cal. 7120 - 177

The Seiko 7120-177 represents an important milestone in Seiko's 1974 lineup. Powered by the 7120 caliber with 34j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-34196c8ba623]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1974

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