Seiko Cal. 4527 - 375

The 4527-375 is a sought-after Solar piece from Seiko's golden era. Powered by the 4527 caliber with 29j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-823be0980170]

Also known as: Shogun, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1981

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