Seiko Cal. 6178 - 140

The Seiko 6178-140 represents an important milestone in Seiko's 1985 lineup. With its 18mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-ab478a7d9c75]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1985

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