Seiko Cal. 5683 - 939

The 5683-939 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5683 caliber with 24j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-1ef30053918b]

Also known as: UFO, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1966

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