Seiko Cal. 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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