Seiko Cal. 4590 - 750

Seiko 4590-750

The 4590-750 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4590 caliber with 33j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-93c59af64b3a]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
44mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Navy
Jewels
33j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1971

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