Seiko Cal. 4487 - 658

Seiko 4487-658

Released in 1979, the Cal. 4487 with design code 658 was part of Seiko's domestic market collection. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-b4f632703727]

Also known as: Rally

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
10.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Black
Jewels
22j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1979

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seikata-wm-b4f632703727