Seiko Cal. 6339 - 666

This Spring Drive model from 1984 features a 42mm Hardlex-Coated Steel case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-ea6d1cc5efa4]

Also known as: World Timer, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1984

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