Seiko Cal. 5641 - 831

The 5641-831 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5641 caliber with 33j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-e2842013bc1e]

Also known as: Goldfeather

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1990

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