Seiko Cal. 6687 - 264

Released in 1980, the Cal. 6687 with design code 264 was part of Seiko's domestic market collection. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-6d32ea06bb10]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1980

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