Seiko Cal. 5688 - 855

The Seiko 5688-855 represents an important milestone in Seiko's 1973 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-01c048073dbb]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1973

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