Seiko Cal. 6645 - 788

Seiko 6645-788

The 6645-788 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-359a5976f711]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
13.3mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Black
Jewels
17j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1984

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seikata-wm-359a5976f711