Seiko Cal. 4547 - 520

The 4547-520 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4547 caliber with 36j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-c84acc2427b2]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1997

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