Seiko Cal. 6683 - 928

The 6683-928 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6683 caliber with 23j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-80586d2d69a4]

Also known as: Turtle, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1977

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