Seiko Cal. 5668 - 738

The Seiko 5668-738 represents an important milestone in Seiko's 1981 lineup. It features a Silver dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-92e569865f35]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1981

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