Seiko Cal. 6240 - 663

This Spring Drive model from 1975 features a 34mm Hardlex-Coated Steel case. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-fb8a4ce9b030]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1975

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