Seiko Cal. 6393 - 669

This Quartz model from 1977 features a 41mm Hardlex-Coated Steel case. Powered by the 6393 caliber with 34j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-7665a670143d]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1977

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