Stainless steel, 35.5 mm Jaeger-LeCoultre Kryos Meca-Quartz chronograph wristwatch, circa early 1990's. Model: Kryos chronograph reference: 305.5.31 year: early 1990's (production period) material: Stanless steel with 18ct yellow gold accents case dimensions: 35.5 mm diameter, 39 mm lug to lug, 9.5 mm thickness dial and hands: white opaline dial with gold bordered sub-dials, luminous hour makers and black baton hands with luminous inserts crystal: sapphire crystal glass calibre: Jlc cal 630 mecca-quartz chronograph, 25 jewels - in fuctional condition Bracelet/Strap: Jaeger-LeCoultre brown shark skin leather strap with pin buckle closure Box/Papers: comes with service box only