Seiko Cal. 6664 - 601

The Seiko 6664-601 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-4f7fe5a96879]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1981

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