Seiko Cal. 6687 - 197

The Seiko 6687-197 represents an important milestone in Seiko's 1998 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-2751aeed0341]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1998

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