Seiko Cal. 6668 - 664

The 6668-664 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-f9d7c41f9024]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1980

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