Seiko Cal. 4539 - 643

Seiko 4539-643

The 4539-643 is a sought-after Kinetic piece from Seiko's golden era. With its 22mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-8b76b4a39074]

Also known as: Baby Tuna

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
40mm
Case Thickness
12.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Black
Jewels
21j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1990

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seikata-wm-8b76b4a39074