Seiko Cal. 6670 - 391

The Seiko 6670-391 represents an important milestone in Seiko's 1999 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-e79241a4a822]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1999

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