Seiko Cal. 5666 - 168

The Seiko 5666-168 represents an important milestone in Seiko's 1973 lineup. Powered by the 5666 caliber with 33j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-ea34ff9d9443]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1973

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