Seiko Cal. 4420 - 547

Seiko 4420-547

The 4420-547 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-7b97cc448c1f]

Also known as: Rally, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
39mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
200m
Dial Color
Black
Jewels
26j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1969

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