Seiko Cal. 6321 - 496

This Spring Drive model from 1967 features a 34mm Hardlex-Coated Steel case. Powered by the 6321 caliber with 34j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-a610d4a536b1]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1967

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