Seiko Cal. 5643 - 197

Seiko 5643-197

The 5643-197 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-77c0221de6a0]

Also known as: Tuna, World Timer

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
44mm
Case Thickness
8.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
150m
Dial Color
Navy
Jewels
25j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1976

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