Seiko Cal. 6613 - 686

The 6613-686 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-b3eeb1bd097f]

Also known as: Tuna, UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1992

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