Seiko Cal. 5284 - 587

The 5284-587 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5284 caliber with 20j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-8cb9e158a395]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1979

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