Seiko Cal. 4431 - 464

The Seiko 4431-464 represents an important milestone in Seiko's 1991 lineup. Powered by the 4431 caliber with 27j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-c7955f61a694]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1991

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