Seiko Cal. 6391 - 383

The Seiko 6391-383 represents an important milestone in Seiko's 1993 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-77fe4ae7bfca]

Also known as: Sea Horse, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1993

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