Seiko Cal. 6278 - 634

The Seiko 6278-634 represents an important milestone in Seiko's 1968 lineup. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-bffcd679c8ed]

Also known as: Samurai, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1968

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