Seiko Cal. 7178 - 671

The Seiko 7178-671 represents an important milestone in Seiko's 1981 lineup. Powered by the 7178 caliber with 31j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-8912e9457d1f]

Also known as: Shogun, Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1981

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