Seiko Cal. 4549 - 663

The 4549-663 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4549 caliber with 20j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-a16478eca875]

Also known as: UFO, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1973

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