Seiko Cal. 6688 - 363

The Seiko 6688-363 represents an important milestone in Seiko's 1987 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-da2ba07b396c]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1987

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