Seiko Cal. 5278 - 636

Released in 1977, the Cal. 5278 with design code 636 was part of Seiko's domestic market collection. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-cf22beeac298]

Also known as: Bullhead, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1977

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