Seiko Cal. 6678 - 981

Released in 1981, the Cal. 6678 with design code 981 was part of Seiko's domestic market collection. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-fab493ee014b]

Also known as: Bellmatic, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1981

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