Seiko Cal. 6678 - 161

Seiko 6678-161

The Seiko 6678-161 represents an important milestone in Seiko's 1982 lineup. Powered by the 6678 caliber with 34j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-609f2d923ee4]

Also known as: Bullhead, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
10.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Silver
Jewels
34j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1982

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