Seiko Cal. 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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