Seiko Cal. 5683 - 612

The 5683-612 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2f39ca1b3518]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1978

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