Seiko Cal. 6278 - 687

The Seiko 6278-687 represents an important milestone in Seiko's 1982 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-b3e8e364afb6]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1982

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