Seiko Cal. 6688 - 927

This Spring Drive model from 1979 features a 35mm Titanium case. It features a Black dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-2ea727cff626]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1979

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