Seiko Cal. 5683 - 744

Released in 1977, the Cal. 5683 with design code 744 was part of Seiko's domestic market collection. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-cd70ba22fc62]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1977

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