Seiko Cal. 6378 - 666

This Quartz model from 1965 features a 43mm Titanium case. Powered by the 6378 caliber with 21j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-6efa1cb5927b]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1965

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