Seiko Cal. 6683 - 818

The Seiko 6683-818 represents an important milestone in Seiko's 1980 lineup. Powered by the 6683 caliber with 26j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-02cee7dcb43f]

Also known as: Tuna, Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1980

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