Seiko Cal. 4576 - 539

Seiko 4576-539

The 4576-539 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4576 caliber with 26j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-28440bdaa63a]

Also known as: Sumo, Helmet

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
38mm
Case Thickness
8.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
Navy
Jewels
26j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1998

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