Seiko Cal. 5643 - 285

Seiko 5643-285

The 5643-285 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-b8501c155363]

Also known as: Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
100m
Dial Color
Silver
Jewels
26j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1972

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seikata-wm-b8501c155363