Seiko Cal. 6660 - 832

This Spring Drive model from 1983 features a 36mm Hardlex-Coated Steel case. Powered by the 6660 caliber with 29j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-9e39f7eb55ad]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1983

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