Seiko Cal. 4539 - 890

Seiko 4539-890

The 4539-890 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4539 caliber with 28j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-232e73904c2e]

Also known as: Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
46mm
Case Thickness
10.1mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1976

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