Seiko Cal. 6620 - 316

Seiko 6620-316

The 6620-316 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-fe63e36fadff]

Also known as: Samurai, Shogun

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
13.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Black
Jewels
30j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1979

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