Seiko Cal. 4550 - 620

Seiko 4550-620

The 4550-620 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-27b478b2976e]

Also known as: Tuna, Panda

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
10.1mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1966

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