Seiko Cal. 6378 - 874

The Seiko 6378-874 represents an important milestone in Seiko's 1986 lineup. With its 18mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-272a30e3ecc5]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1986

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