Seiko Cal. 4527 - 612

The 4527-612 is a sought-after Solar piece from Seiko's golden era. Powered by the 4527 caliber with 19j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-85f3374b9fd4]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1973

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