Seiko Cal. 5240 - 497

This Hand-Winding model from 1988 features a 40mm Titanium case. With its 21mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-dbdf14cbfeb5]

Also known as: World Timer, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1988

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