Seiko Cal. 5681 - 934

Released in 1979, the Cal. 5681 with design code 934 was part of Seiko's domestic market collection. With its 18mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-efb99954df8f]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1979

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