Seiko Cal. 6635 - 513

Seiko 6635-513

The 6635-513 is a sought-after Quartz piece from Seiko's golden era. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-decfaeb165fe]

Also known as: Golden Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
8.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
150m
Dial Color
Burgundy
Jewels
17j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1989

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