Seiko Cal. 6389 - 747

The Seiko 6389-747 represents an important milestone in Seiko's 1989 lineup. Powered by the 6389 caliber with 30j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-11d25d2dae29]

Also known as: Rally, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1989

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