Seiko Cal. 6678 - 139

The Seiko 6678-139 represents an important milestone in Seiko's 1979 lineup. Powered by the 6678 caliber with 28j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-72bdd7e08e58]

Also known as: Pogue

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1979

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