Seiko Cal. 5278 - 607

The Seiko 5278-607 represents an important milestone in Seiko's 1981 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-80e1b9ec5fa2]

Also known as: Sumo, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1981

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