Seiko Cal. 4522 - 960

The 4522-960 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4522 caliber with 36j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-170451ddabc2]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1966

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