Seiko Cal. 6647 - 210

Released in 1999, the Cal. 6647 with design code 210 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-eeec2cc4168f]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1999

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