Seiko Cal. 4447 - 551

The 4447-551 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4447 caliber with 28j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-7b82520d8bee]

Also known as: UFO, Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1984

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