Seiko Cal. 4527 - 612

Seiko 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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