Seiko Cal. 5633 - 636

Seiko 5633-636

The 5633-636 is a sought-after Quartz piece from Seiko's golden era. With its 20mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-b5652f6ce6d7]

Also known as: Samurai

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
9.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1973

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