Seiko Cal. 6646 - 349

The 6646-349 is a sought-after Quartz piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-dfd0fefae3e8]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1979

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