Seiko Cal. 6333 - 591

This Automatic model from 1970 features a 35mm Hardlex-Coated Steel case. Powered by the 6333 caliber with 33j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-27823e40e5f4]

Also known as: Helmet, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1970

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