Seiko Cal. 6391 - 666

The Seiko 6391-666 represents an important milestone in Seiko's 1999 lineup. It features a Silver dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-6ec4fe5fccdd]

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1999

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