Seiko Cal. 6610 - 478

This Hand-Winding model from 1967 features a 43mm Hardlex-Coated Steel case. Powered by the 6610 caliber with 29j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-78302c9925a9]

Also known as: Helmet, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1967

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