Seiko Cal. 4563 - 981

Seiko 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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