Seiko Cal. 4556 - 522

Seiko 4556-522

The 4556-522 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4556 caliber with 28j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-e84c1cb6f569]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
170m
Dial Color
Cream
Jewels
28j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1993

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