Seiko Cal. 6378 - 267

The Seiko 6378-267 represents an important milestone in Seiko's 1975 lineup. With its 19mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-1642364e5bbd]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1975

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