Seiko Cal. 6664 - 538

The 6664-538 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6664 caliber with 29j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-016daffad531]

Also known as: Pogue, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1989

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