Seiko Cal. 6687 - 439

The Seiko 6687-439 represents an important milestone in Seiko's 1995 lineup. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-f685662d3b9e]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1995

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