Seiko Cal. 7177 - 978

The Seiko 7177-978 represents an important milestone in Seiko's 1972 lineup. Powered by the 7177 caliber with 32j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-776af3c4e952]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1972

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