Seiko Cal. 4574 - 581

The 4574-581 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4574 caliber with 34j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-fc648e2bce7e]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1977

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