Seiko Cal. 6610 - 278

This Spring Drive model from 1985 features a 42mm Hardlex-Coated Steel case. Powered by the 6610 caliber with 22j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-da0795c4048b]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1985

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