Seiko Cal. 4587 - 861

The 4587-861 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4587 caliber with 27j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-ebbf0640608b]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1973

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