Seiko Cal. 5679 - 640

Seiko 5679-640

The 5679-640 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-34003e87dd76]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
11.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
80m
Dial Color
Navy
Jewels
17j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1979

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seikata-wm-34003e87dd76