Certina. An unusual gold plated electronic calendar wristwatch with biorythm display Certina. Montre bracelet plaqué or avec date et indication des biorythmes mouvement électronique Model: Biostar Reference: 7506-001 Date: Circa 1970 Movement: 13-jewel electronic Cal.28-353 quartz tuning fork Dial: Sunburst champagne, signed Case: Brushed and polished tonneau form, screw down back, No.8644285 Strap/Bracelet: Brown leather Buckle/Clasp: Gold plated buckle Signed: Case, dial & movement Size: 39mm Accompaniments: Certina fitted box Footnotes: Movement: Not currently running, not tested, it would need a new battery Dial: Lume has aged, portions of red paint missing on the central disc, otherwise good Hands: Good Glass: Surface scratches at 9, 12, and to centre Case: Light surface scratches throughout Strap/Bracelet: Lightly used Buckle/Clasp: Light surface scratches, associated We do not test any watches for their accuracy and as such timekeeping cannot be guaranteed. We advise that if you are bidding on a watch, that you or your agents are completely satisfied with the condition of the lot. We recommend that all watches are serviced after the sale as they are handled throughout the viewing period. Please note that although Bonhams endeavour to include reference to any replacement parts within our Condition Reports we cannot confirm that each individual element of the watch is original or that, if replaced, the replacement has been made using original manufacturer's parts. Les montres sont vendues en l'état. Aucune garantie n'est faite sur l'état de marche des montres et pendules. La plupart des montres ont été ouvertes pour identifier le type et la qualité du mouvement, y compris les montres résistantes à l'eau, il est donc conseillé à l'acheteur de consulter un horloger pour revoir l'étanchéité de la montre. Le changement des bracelets, l'étanchéité, les restaurations, les révisions et les réglages sont à la charge de l'acquéreur. Tout devis de restauration provenant de quelques horlogers que ce soit ne pourra être pris en charge par Bonhams. Watches are sold ' as is '. No guarantee is given as to the working order of the watches and clocks. Most watches have been opened to identify the type and quality of the movement, including water-resistant watches, so the buyer is advised to consult a watchmaker to review the water-resistance of the watch. Strap changes, water-resistance, restorations, revisions and adjustments are the responsibility of the purchaser. Bonhams will not accept any restoration estimate from any watchmaker. This lot is subject to the following lot symbols: Ω Ω VAT on imported items at the prevailing rate on hammer price and buyer's premium, if the object remains in the EU. TVA sur les objets importés au taux en vigueur prelevable sur le prix d'adjudication ainsi que sur la prime d'achat dans le cas où la voiture reste dans l'Union Européenne. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing