Seiko Cal. 6688 - 672

The Seiko 6688-672 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-bbb6aedc4a25]

Also known as: Bellmatic, Arnie

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

23j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1978

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