Seiko Cal. 4487 - 999

Seiko 4487-999

The 4487-999 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4487 caliber with 22j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-08a6173244b9]

Also known as: Monster, Navigator

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
12.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Burgundy
Jewels
22j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1985

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seikata-wm-08a6173244b9