Seiko Cal. 5278 - 678

The Seiko 5278-678 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-ca73f330f831]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1977

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