Seiko Cal. 4463 - 638

The 4463-638 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4463 caliber with 28j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-b9e61060b758]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1969

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