Seiko Cal. 6678 - 398

The Seiko 6678-398 represents an important milestone in Seiko's 1987 lineup. Powered by the 6678 caliber with 21j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-9210dc1bbd6b]

Also known as: Pogue, Rally

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1987

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