Seiko Cal. 4547 - 763

The 4547-763 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4547 caliber with 24j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-89b61a595b0a]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1989

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