Seiko Cal. 7177 - 172

The Seiko 7177-172 represents an important milestone in Seiko's 1980 lineup. Powered by the 7177 caliber with 34j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-9be006475995]

Also known as: Helmet, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

34j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1980

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