Seiko Cal. 6678 - 844

The Seiko 6678-844 represents an important milestone in Seiko's 1983 lineup. Powered by the 6678 caliber with 21j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-ed15333033a3]

Also known as: Bellmatic, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1983

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