Seiko Cal. 6689 - 256

Released in 1973, the Cal. 6689 with design code 256 was part of Seiko's domestic market collection. With its 18mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-724bacbf58ff]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1973

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