Seiko Cal. 4487 - 991

The 4487-991 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4487 caliber with 26j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-fbd7e1c9e9fd]

Also known as: Pogue

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1975

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