Seiko Cal. 6678 - 612

The 6678-612 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6678 caliber with 24j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-e9b4c3711bfa]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1971

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