Seiko Cal. 4420 - 660

Seiko 4420-660

The 4420-660 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-b1257be0742b]

Also known as: World Timer

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
41mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
90m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1974

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