Seiko Cal. 4527 - 843

The 4527-843 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4527 caliber with 17j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-f312d28324b7]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1984

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