Seiko Cal. 6398 - 887

This Quartz model from 1972 features a 42mm Hardlex-Coated Steel case. Powered by the 6398 caliber with 23j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-9576a822a159]

Also known as: UFO, Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1972

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