Seiko Cal. 6683 - 501

The Seiko 6683-501 represents an important milestone in Seiko's 1974 lineup. Powered by the 6683 caliber with 28j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-6a827307a348]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

10.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1974

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