Seiko Cal. 6635 - 309

Seiko 6635-309

The 6635-309 is a sought-after Quartz piece from Seiko's golden era. With its 19mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-a7001595f576]

Also known as: Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
13.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
Silver
Jewels
27j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1973

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seikata-wm-a7001595f576