Seiko Cal. 5271 - 643

The 5271-643 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5271 caliber with 31j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-a8f2902e25ae]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1992

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