Seiko Cal. 4422 - 357

Seiko 4422-357

Released in 1971, the Cal. 4422 with design code 357 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-fe862939c542]

Also known as: Tuna, World Timer

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
46mm
Case Thickness
12.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Burgundy
Jewels
26j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1971

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