Seiko Cal. 4487 - 778

Seiko 4487-778

The 4487-778 is a sought-after Automatic piece from Seiko's golden era. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-f50e064b2381]

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
10.7mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
28,800 bph
Power Reserve
43 hours
Year
1971

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seikata-wm-f50e064b2381