Seiko Cal. 6687 - 740

The Seiko 6687-740 represents an important milestone in Seiko's 1999 lineup. With its 22mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-93d70399c6e7]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1999

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