Seiko Cal. 4563 - 645

The 4563-645 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4563 caliber with 29j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-61504fa3b5a9]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1977

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