Seiko Cal. 6688 - 300

The Seiko 6688-300 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-edc1823889af]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1981

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