Seiko Cal. 6683 - 143

The Seiko 6683-143 represents an important milestone in Seiko's 1978 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-3c9f88e24733]

Also known as: Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1978

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