Seiko Cal. 4487 - 807

Seiko 4487-807

The 4487-807 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4487 caliber with 36j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-453f7d37c6f4]

Also known as: Bullhead, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
45mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Champagne
Jewels
36j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1987

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