Seiko Cal. 6331 - 857

The Seiko 6331-857 represents an important milestone in Seiko's 1990 lineup. Powered by the 6331 caliber with 19j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-9b6087225815]

Also known as: Pogue, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1990

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