Seiko Cal. 6638 - 270

Seiko 6638-270

This Hand-Winding model from 1986 features a 36mm Hardlex-Coated Steel case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-10eca6b879dc]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Black
Jewels
19j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1986

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seikata-wm-10eca6b879dc