Seiko Cal. 7063 - 643

The 7063-643 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7063 caliber with 17j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-fa94096e0b97]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1985

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