Seiko Cal. 6278 - 325

The Seiko 6278-325 represents an important milestone in Seiko's 1978 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-1fa1e795d6a1]

Also known as: Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1978

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