Seiko Cal. 6391 - 901

Released in 1998, the Cal. 6391 with design code 901 was part of Seiko's domestic market collection. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-08fcb677bd50]

Also known as: Bellmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1998

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