Seiko Cal. 5643 - 713

The Seiko 5643-713 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-7060acc228a7]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1976

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