Seiko Cal. 4471 - 831

The 4471-831 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4471 caliber with 27j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-3436f477bc5e]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1999

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