Seiko Cal. 4487 - 555

Seiko 4487-555

This Automatic model from 1974 features a 37mm Titanium case. With its 18mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-f55ea7685e9d]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
10.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Champagne
Jewels
25j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1974

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