Seiko Cal. 6618 - 621

Seiko 6618-621

The 6618-621 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-4682fb2ce3e5]

Also known as: Golden Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
11.1mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
28,800 bph
Power Reserve
67 hours
Year
1975

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