Seiko Cal. 4590 - 704

Seiko 4590-704

The 4590-704 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4590 caliber with 36j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-d174421ad23f]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
15.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
40m
Dial Color
Navy
Jewels
36j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1976

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