Seiko Cal. 5688 - 821

The Seiko 5688-821 represents an important milestone in Seiko's 1996 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-1777004c4332]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1996

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