Seiko Cal. 6168 - 983

The 6168-983 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6168 caliber with 31j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-4256704d12fb]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1966

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