Seiko Cal. 5683 - 494

This Spring Drive model from 1970 features a 44mm Hardlex-Coated Steel case. Powered by the 5683 caliber with 31j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-9740f097a114]

Also known as: UFO, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1970

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