Seiko Cal. 6635 - 828

Seiko 6635-828

The 6635-828 is a sought-after Quartz piece from Seiko's golden era. With its 19mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-5cd430f2ebf4]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
14.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Green
Jewels
36j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1979

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