Seiko Cal. 6659 - 144

This Spring Drive model from 1984 features a 43mm Hardlex-Coated Steel case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-1abcf3fdf55a]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1984

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