Seiko Cal. 4581 - 220

The 4581-220 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4581 caliber with 19j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-05f11efb90cb]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1976

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