Seiko Cal. 4520 - 442

Seiko 4520-442

The 4520-442 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-0e0326c11167]

Also known as: Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
10.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Navy
Jewels
18j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1968

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seikata-wm-0e0326c11167