Seiko Cal. 4487 - 820

Seiko 4487-820

The 4487-820 is a sought-after Automatic piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-610155adff07]

Also known as: Sumo, Shogun

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
39mm
Case Thickness
15.3mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Black
Jewels
33j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1991

Related Models

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