Seiko Cal. 4563 - 172

The 4563-172 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4563 caliber with 20j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-980828f781e7]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1973

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