Seiko Cal. 6610 - 278

Seiko 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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