Seiko Cal. 6688 - 254

Released in 1977, the Cal. 6688 with design code 254 was part of Seiko's domestic market collection. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-2cd39ec43481]

Also known as: Rally, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1977

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