Seiko Cal. 6678 - 945

The Seiko 6678-945 represents an important milestone in Seiko's 1976 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-8a912ea6eed1]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1976

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