Seiko Cal. 4590 - 318

Seiko 4590-318

The 4590-318 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4590 caliber with 35j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-54da373f0c9f]

Also known as: Sportsmatic, Navigator

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
11.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Black
Jewels
35j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1988

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