Seiko Cal. 6688 - 920

Released in 1969, the Cal. 6688 with design code 920 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-2e6431fb7cec]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1969

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