Seiko Cal. 6663 - 846

The Seiko 6663-846 represents an important milestone in Seiko's 1987 lineup. Powered by the 6663 caliber with 23j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-cb48de0d415c]

Also known as: UFO, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1987

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