Seiko Cal. 5688 - 271

The Seiko 5688-271 represents an important milestone in Seiko's 1973 lineup. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-68b45d2f1ace]

Also known as: Samurai, Sea Horse

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1973

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