Seiko Cal. 6383 - 900

The Seiko 6383-900 represents an important milestone in Seiko's 1987 lineup. Powered by the 6383 caliber with 21j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-1de49cb0d417]

Also known as: Bullhead, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1987

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