Seiko Cal. 6278 - 990

The Seiko 6278-990 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-2baaa6bd7bb0]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1970

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