Seiko Cal. 3818 - 820

Seiko 3818-820

The 3818-820 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-14ea31a9719e]

Also known as: Tuna, Arnie

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
15.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
60m
Dial Color
Black
Jewels
22j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1990

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