Seiko Cal. 4587 - 975

The 4587-975 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4587 caliber with 34j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-ef581231fc87]

Also known as: UFO, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1978

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