{"id":172490,"date":"2025-04-19T15:23:09","date_gmt":"2025-04-19T13:23:09","guid":{"rendered":"https:\/\/lionel-meylan.ch\/produit\/seamaster-diver-300m-44-mm\/"},"modified":"2026-08-01T06:41:17","modified_gmt":"2026-08-01T04:41:17","slug":"seamaster-diver-300m-44-mm","status":"publish","type":"product","link":"https:\/\/lionel-meylan.ch\/en\/product\/seamaster-diver-300m-44-mm\/","title":{"rendered":"Seamaster Diver 300M 44 mm"},"excerpt":{"rendered":"

Since 1993, the Seamaster Professional Diver 300M has enjoyed a legendary following. This 44 mm chronograph is a Numbered Edition model and is built from grade 2 titanium, 18K Sedna\u2122 gold and tantalum, which can be found on the base of the bezel and the middle links of the bracelet.The 18K Sedna\u2122 gold bezel ring features a laser-ablated diving scale, while the polished blue ceramic [ZrO2] dial is distinguished by laser-ablated waves, a date window at 6 o\u2019clock, and subdial rings with touches of 18K Sedna\u2122 gold.The side of each case includes an 18K Sedna\u2122 gold plate engraved with each unique Numbered Edition number. Turning the watch over reveals an OMEGA Seahorse, which has been laser-engraved and lacquered white on the sapphire crystal. Through the glass, you can see the OMEGA Co-Axial Master Chronometer Calibre 9900, certified by the Swiss Federal Institute of Metrology (METAS).<\/p>\n","protected":false},"featured_media":74034,"template":"","meta":{"_acf_changed":false},"product_brand":[396],"product_cat":[491,493],"product_tag":[],"product_collection":[439],"class_list":["post-172490","product","type-product","status-publish","has-post-thumbnail","product_brand-omega-en","product_cat-new","product_cat-watches","product_collection-seamaster-en","first","outofstock","shipping-taxable","purchasable","product-type-simple"],"acf":{"product_is_new":false,"product_not_available":false,"product_related_stores":null,"product_infos":"","product_features":[{"title":"Features","description":"Anti-magnetic<\/b> : The movement is unaffected by exposure to strong magnetic fields, even those greater than 1.5 tesla (15,000 gauss).
Chronograph<\/b> : The chronograph function is a mechanism for measuring time intervals. A chronograph watch can therefore be used to time events while displaying the time like any traditional watch.
Chronometer<\/b> : Label given to a watch which has been successfully tested by an accredited and independent laboratory in order to receive a certificate compliant with the chronometer ISO 3159 standard.
Date<\/b> : The day of the month, displayed in a window on a watch dial at the 3 or 6 o\u2019clock position, or within a subdial at 9 o'clock.
Helium escape valve<\/b> : Decompression system which allows helium to escape from inside the watch when the watch is worn for professional use in pressure chambers. (Long-term underwater work, crude oil exploration, etc.)
Master Chronometer Certified<\/b> : Guaranteeing the Swiss industry\u2019s highest standard of precision, performance and magnetic-resistance, as set by the Swiss Federal Institute of Metrology (METAS).
Numbered edition<\/b> : A watch series each of whose pieces is numbered sequentially in the order it is produced.
Screw-in crown<\/b> : Self-locking crown, screwed into the tube of the case, used for highly water resistant divers' watches.
Small seconds<\/b> : A hand on a sub-dial which tracks seconds typically it completes a full rotation in one minute.
Time zone function<\/b> : Allows the hour hand to be easily adjusted to different time zones without stopping the watch.
Transparent caseback<\/b> : A transparent caseback - frequently made of sapphire - makes it possible to see the movement inside the watch.
Unidirectional rotating bezel<\/b> : A bezel which turns in only one direction. Particularly useful for divers who cannot accidentally rotate it in the wrong direction, which could cause them to miscalculate their dive times. A rotating bezel makes it easy to measure elapsed time.
"},{"title":"Technical Data","description":"Reference<\/b> : 210.60.44.51.03.001
Between lugs<\/b> : 21\u00a0mm
Lug\u2011to\u2011lug<\/b> : 52.80\u00a0mm
Thickness<\/b> : 17.40\u00a0mm
Case diameter<\/b> : 44\u00a0mm
Case<\/b> : Titanium \u2011 tantalum \u2011 Sedna\u2122 gold
Dial colour<\/b> : Blue
Crystal<\/b> : Domed scratch\u2011resistant sapphire crystal with anti\u2011reflective treatment on both sides
Water resistance<\/b> : 30 bar (300\u00a0metres \/ 1000 feet)
Total product weight (approx.)<\/b> : 190 g
Calibre<\/b> : Omega 9900
Movement type<\/b> : Self winding
Power reserve<\/b> : 60 hours
"},{"title":"Bracelet","description":"Material<\/b> : Titanium \u2011 tantalum \u2011 Sedna\u2122 gold
Type of Clasp<\/b> : Foldover clasp with comfort setting and diver extension
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This 44 mm chronograph is a Numbered Edition model and is built from grade 2 titanium, 18K Sedna\u2122 gold and tantalum, which can be found on the base of the bezel and the middle links of the bracelet.The 18K Sedna\u2122 gold bezel ring features a laser-ablated diving scale, while the polished blue ceramic [ZrO2] dial is distinguished by laser-ablated waves, a date window at 6 o\u2019clock, and subdial rings with touches of 18K Sedna\u2122 gold.The side of each case includes an 18K Sedna\u2122 gold plate engraved with each unique Numbered Edition number. Turning the watch over reveals an OMEGA Seahorse, which has been laser-engraved and lacquered white on the sapphire crystal. 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