Seiko Cal. 6678 - 757

This Quartz model from 1972 features a 40mm PVD Black case. Powered by the 6678 caliber with 24j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-51bdaa652e80]

Also known as: Tuna, Rally

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1972

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