Seiko Cal. 6678 - 828

This Hand-Winding model from 1979 features a 37mm Two-Tone case. Powered by the 6678 caliber with 25j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-5e88ea47c4fd]

Also known as: Rally, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1979

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