Seiko Cal. 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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