Seiko Cal. 4432 - 171

The 4432-171 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4432 caliber with 30j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-86efad58be6f]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1989

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