Seiko Cal. 6390 - 223

The Seiko 6390-223 represents an important milestone in Seiko's 1991 lineup. It features a Black dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-3535f7e00973]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1991

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