Seiko Cal. 4487 - 324

Seiko 4487-324

This Hand-Winding model from 1977 features a 35mm Two-Tone case. Powered by the 4487 caliber with 24j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-2871b757f3cd]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
35mm
Case Thickness
11.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1977

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seikata-wm-2871b757f3cd