Seiko Cal. 6678 - 260

The 6678-260 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6678 caliber with 26j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-8adb63b810a6]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1994

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