Seiko Cal. 4547 - 278

Seiko 4547-278

The 4547-278 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4547 caliber with 36j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-4c5463e4894f]

Also known as: Bullhead

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
11.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Cream
Jewels
36j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1969

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seikata-wm-4c5463e4894f