Seiko Cal. 4563 - 981

The 4563-981 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4563 caliber with 24j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-eb3c0d08a6da]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1976

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