Seiko Cal. 6688 - 709

The Seiko 6688-709 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-78e5d9b0b12c]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1966

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