Seiko Cal. 6610 - 406

The Seiko 6610-406 represents an important milestone in Seiko's 1988 lineup. Powered by the 6610 caliber with 29j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-6dc1e7ae8e4f]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1988

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