Seiko Cal. 6678 - 920

The Seiko 6678-920 represents an important milestone in Seiko's 1980 lineup. Powered by the 6678 caliber with 24j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-d1de17ff3c82]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1980

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