Seiko Cal. 7181 - 668

The Seiko 7181-668 represents an important milestone in Seiko's 1973 lineup. Powered by the 7181 caliber with 23j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-23672aee689d]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1973

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