Seiko Cal. 6643 - 630

Released in 1995, the Cal. 6643 with design code 630 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-01c443b829e1]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1995

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