Seiko Cal. 6664 - 506

The Seiko 6664-506 represents an important milestone in Seiko's 1990 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2824ef44dbf8]

Also known as: World Timer, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

25j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1990

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