Seiko Cal. 6688 - 142

The Seiko 6688-142 represents an important milestone in Seiko's 1990 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-87a8003f9adf]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1990

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