Seiko Cal. 6688 - 339

The Seiko 6688-339 represents an important milestone in Seiko's 1969 lineup. It features a Black dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-94eaf54170bc]

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1969

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