Seiko Cal. 6633 - 857

The Seiko 6633-857 represents an important milestone in Seiko's 1989 lineup. Powered by the 6633 caliber with 23j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-694f2f987ba8]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1989

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