Seiko Cal. 5240 - 648

This Spring Drive model from 1969 features a 35mm Hardlex-Coated Steel case. It features a Green dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-cb58845c74c9]

Also known as: Sea Horse, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1969

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