Seiko Cal. 6670 - 799

This Quartz model from 1966 features a 36mm PVD Black case. Powered by the 6670 caliber with 34j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-edb58f4f3abb]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1966

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