Seiko Cal. 6631 - 782

Released in 1995, the Cal. 6631 with design code 782 was part of Seiko's domestic market collection. Powered by the 6631 caliber with 21j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-ad91ec454c6f]

Also known as: Turtle, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1995

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