Seiko Cal. 5278 - 642

The Seiko 5278-642 represents an important milestone in Seiko's 1990 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-e7b3afba85ef]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1990

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