Seiko Cal. 5278 - 612

The Seiko 5278-612 represents an important milestone in Seiko's 1967 lineup. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-02e3b47810f3]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1967

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