Seiko Cal. 6687 - 722

The Seiko 6687-722 represents an important milestone in Seiko's 1992 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-479db562cd42]

Also known as: World Timer, Navigator

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1992

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