Seiko Cal. 4487 - 550

Seiko 4487-550

This Hand-Winding model from 1974 features a 45mm PVD Black case. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-7a9b1fdbea9b]

Also known as: Bellmatic, Crown

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
45mm
Case Thickness
10.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1974

Related Models

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