Seiko Cal. 6638 - 187

Seiko 6638-187

This Automatic model from 1991 features a 34mm Hardlex-Coated Steel case. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-a53ca67857f9]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
9.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
60m
Dial Color
Cream
Jewels
31j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1991

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seikata-wm-a53ca67857f9