Seiko Cal. 4556 - 537

Seiko 4556-537

The 4556-537 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4556 caliber with 33j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-ef37686076b1]

Also known as: Bullhead, Goldfeather

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
8.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
140m
Dial Color
Silver
Jewels
33j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1992

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