Seiko Cal. 3871 - 831

The 3871-831 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3871 caliber with 35j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-05003adb9f4d]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1973

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