Seiko Cal. 6691 - 770

The Seiko 6691-770 represents an important milestone in Seiko's 1988 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d0283bb060f9]

Also known as: Pogue

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1988

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