Seiko Cal. 6664 - 439

Released in 1985, the Cal. 6664 with design code 439 was part of Seiko's domestic market collection. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-cdd587fe86cb]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1985

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