Seiko Cal. 4431 - 896

The 4431-896 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4431 caliber with 33j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-0344bd60c1c1]

Also known as: Pogue, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1976

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