Seiko Cal. 6678 - 512

The Seiko 6678-512 represents an important milestone in Seiko's 1989 lineup. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-088453b22ac1]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1989

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