Seiko Cal. 4420 - 907

Seiko 4420-907

Released in 1972, the Cal. 4420 with design code 907 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-7c89ec1fe70c]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
15.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
90m
Dial Color
White
Jewels
17j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1972

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