Seiko Cal. 6616 - 683

The Seiko 6616-683 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-aea2431ba607]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1968

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