Seiko Cal. 5678 - 940

The 5678-940 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5678 caliber with 23j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-0a28924b485e]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1976

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