Seiko Cal. 5681 - 693

The Seiko 5681-693 represents an important milestone in Seiko's 1988 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2c7100cae57c]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1988

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