Seiko Cal. 6688 - 424

The Seiko 6688-424 represents an important milestone in Seiko's 1969 lineup. Powered by the 6688 caliber with 32j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-71ea345081d5]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1969

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