Seiko Cal. 4443 - 668

The 4443-668 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4443 caliber with 35j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-2e9784a87c0b]

Also known as: Pogue, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1982

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