Seiko Cal. 7140 - 687

The Seiko 7140-687 represents an important milestone in Seiko's 1995 lineup. With its 18mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-fa8ad40e9b2e]

Also known as: Silverwave, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1995

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