Seiko Cal. 6655 - 667

Released in 1971, the Cal. 6655 with design code 667 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-001e11404f12]

Also known as: Tuna, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1971

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