Seiko Cal. 6647 - 200

The Seiko 6647-200 represents an important milestone in Seiko's 1996 lineup. It features a White dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-6cead906ba5b]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1996

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