Seiko Cal. 5638 - 186

Seiko 5638-186

The Seiko 5638-186 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-054e882b0ddc]

Also known as: Silverwave, Arnie

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
29j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1968

Related Models

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