Seiko Cal. 6646 - 656

Released in 1980, the Cal. 6646 with design code 656 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-bf1cd8cb921a]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1980

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