Seiko Cal. 4526 - 604

The 4526-604 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4526 caliber with 24j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-ff57301b2b88]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1995

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