Seiko Cal. 6278 - 639

This Spring Drive model from 1983 features a 36mm Titanium case. With its 19mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-f8c3530e1700]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1983

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