Seiko Cal. 6278 - 720

The Seiko 6278-720 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-a159e8721a4e]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1971

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