Seiko Cal. 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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