Seiko Cal. 4487 - 397

Seiko 4487-397

The 4487-397 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-4ce2219a49da]

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
41mm
Case Thickness
14.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1978

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