Seiko Cal. 4587 - 861

Seiko 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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