Seiko Cal. 4547 - 531

The 4547-531 is a sought-after Solar piece from Seiko's golden era. Powered by the 4547 caliber with 20j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-1f9bc7390bba]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1973

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