Seiko Cal. 5688 - 918

The Seiko 5688-918 represents an important milestone in Seiko's 1968 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-127daac4a258]

Also known as: Monster, UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1968

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