Seiko Cal. 6378 - 490

This Quartz model from 1984 features a 45mm Titanium case. Powered by the 6378 caliber with 29j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-91eb06470940]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1984

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