Seiko Cal. 5286 - 504

The 5286-504 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5286 caliber with 25j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-595a00172602]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1965

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