Seiko Cal. 6387 - 931

The Seiko 6387-931 represents an important milestone in Seiko's 1999 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-0168a3bccefe]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1999

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