Seiko Cal. 6620 - 943

Seiko 6620-943

The 6620-943 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-6f8a30bea3b9]

Also known as: Samurai, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
15.8mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1969

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