Seiko Cal. 6278 - 817

The Seiko 6278-817 represents an important milestone in Seiko's 1966 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-68ccf661e54d]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1966

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