Seiko Cal. 6646 - 628

The Seiko 6646-628 represents an important milestone in Seiko's 1997 lineup. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-c90d9811513a]

Also known as: UFO, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1997

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