Seiko Cal. 6678 - 872

This Spring Drive model from 1979 features a 40mm Titanium case. Powered by the 6678 caliber with 19j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-efd948aac750]

Also known as: UFO, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1979

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