Seiko Cal. 6699 - 181

The Seiko 6699-181 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-cbbe3a6bab3a]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1981

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