Seiko Cal. 6683 - 693

The 6683-693 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6683 caliber with 20j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-8511b282305c]

Also known as: Tuna, Pogue

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1987

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