Seiko Cal. 6688 - 140

The 6688-140 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6688 caliber with 29j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-c7dc32178f8f]

Also known as: World Timer, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1970

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