Seiko Cal. 5638 - 412

Seiko 5638-412

The Seiko 5638-412 represents an important milestone in Seiko's 1968 lineup. With its 22mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-9b3c8ff373a6]

Also known as: Monster, Sea Horse

Specifications

Movement
Solar
Case Material
Titanium
Case Width
46mm
Case Thickness
10.2mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Burgundy
Jewels
20j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1968

Related Models

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