Seiko Cal. 5683 - 121

The Seiko 5683-121 represents an important milestone in Seiko's 1975 lineup. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-c77535a99267]

Also known as: UFO, Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1975

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