{"id":31176,"date":"2026-07-11T00:14:34","date_gmt":"2026-07-10T16:14:34","guid":{"rendered":"https:\/\/jinanhui.com\/index.php\/product\/1858-geosphere-0-oxygen-south-pole-exploration-limited-edition-automatic-42mm-interchangeable-titanium-ceramic-and-canvas-watch-ref-no-7612582367544\/"},"modified":"2026-07-13T18:55:25","modified_gmt":"2026-07-13T10:55:25","slug":"1858-geosphere-0-oxygen-south-pole-exploration-limited-edition-automatic-42mm-interchangeable-titanium-ceramic-and-canvas-watch-ref-no-7612582367544","status":"publish","type":"product","link":"https:\/\/jinanhui.com\/index.php\/product\/1858-geosphere-0-oxygen-south-pole-exploration-limited-edition-automatic-42mm-interchangeable-titanium-ceramic-and-canvas-watch-ref-no-7612582367544\/","title":{"rendered":"1858 Geosphere 0 Oxygen South Pole Exploration Limited Edition Automatic 42mm Interchangeable Titanium, Ceramic and Canvas Watch, Ref. No. 7612582367544"},"content":{"rendered":"<p>Montblanc&#8217;s &#8216;1858 Geosphere 0 Oxygen&#8217; watch has a storied past. It was worn by world-record holding mountaineer Nimsdai Purja while scaling Mount Everest, all without supplemental oxygen, hence its namesake. Continuing that legacy, this &#8216;South Pole Exploration&#8217; edition has a titanium case and blue glacier dial, representing both the Northern and Southern hemispheres and is complete with world-time complications. One of only 1990 pieces, it&#8217;s uniquely devoid of oxygen to ensure its mechanical precision over time, however harsh the environment.&lt;br&gt;&lt;br&gt;&lt;i&gt;For warranty information, please refer to details &amp; care&lt;\/i&gt;<\/p>\n<h3>Details &amp; Care<\/h3>\n<ul>\n<li>&lt;b&gt;Movement&lt;\/b&gt; &lt;br&gt;- Swiss-made calibre MB 29.27 automatic movement with 46-hour power reserve &lt;br&gt;- 33 jewels, 28,800 Vph &lt;br&gt; &lt;br&gt;&lt;b&gt;Functions&lt;\/b&gt; &lt;br&gt;- Hour and minute hands &lt;br&gt;- Date window &lt;br&gt;- Second time zone (GMT) subdial, 24-hour Northern and Southern hemisphere subdials with AM\/PM indicators &lt;br&gt; &lt;br&gt;&lt;b&gt;Dial&lt;\/b&gt; &lt;br&gt;- Blue glacier dial  &lt;br&gt;- Super-LumiNova\u00ae-coated hour and minute hands, Arabic numerals and indices &lt;br&gt; &lt;br&gt;&lt;b&gt;Case&lt;\/b&gt; &lt;br&gt;- Titanium case &lt;br&gt;- Blue ceramic bi-directional rotating bezel &lt;br&gt;- Crown for time and date adjustments and manual winding &lt;br&gt;- Sapphire glass crystal &lt;br&gt;- Patterned case back &lt;br&gt;- Clasp-fastening stainless steel bracelet; additional grey canvas strap &lt;br&gt; &lt;br&gt;&lt;b&gt;Specifications&lt;\/b&gt; &lt;br&gt;- Case diameter: 42mm; case thickness: 12.8mm; strap width: 22mm &lt;br&gt;- Water resistance: 10 bar &lt;br&gt;- Comes in a presentation box &lt;br&gt;- Reference number: 7612582367544&lt;br&gt;&lt;br&gt;We offer a two-year warranty for all working parts and manufacturing faults for luxury watches. For more information, contact one of our experts by emailing &lt;a href=&quot;mailto:watches@mrporter.com&quot;&gt;watches@mrporter.com&lt;\/a&gt; &lt;br&gt;<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Montblanc&#8217;s &#8216;1858 Geosphere 0 Oxygen&#8217; watch has a storied past. It was worn by world-record holding mountaineer Nimsdai Purja while scaling Mount Everest, all without supplemental oxygen, hence its namesake. Continuing that legacy, this &#8216;South Pole Exploration&#8217; edition has a titanium case and blue glacier dial, representing both the Northern and Southern hemispheres and is complete with world-time complications. One of only 1990 pieces, it&#8217;s uniquely devoid of oxygen to ensure its mechanical precision over time, however harsh the environment.<\/p>\n<p><i>For warranty information, please refer to details &amp; care<\/i><\/p>\n","protected":false},"featured_media":153223,"comment_status":"open","ping_status":"closed","template":"","meta":[],"pwb-brand":[],"product_brand":[226],"product_cat":[416],"product_tag":[92,540],"class_list":["post-31176","product","type-product","status-publish","has-post-thumbnail","product_brand-montblanc","product_cat-dress-watches","product_tag-exclusive","product_tag-limited-edition","first","instock","shipping-taxable","purchasable","product-type-simple"],"brands":[],"_links":{"self":[{"href":"https:\/\/jinanhui.com\/index.php\/wp-json\/wp\/v2\/product\/31176","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jinanhui.com\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jinanhui.com\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/jinanhui.com\/index.php\/wp-json\/wp\/v2\/comments?post=31176"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jinanhui.com\/index.php\/wp-json\/wp\/v2\/media\/153223"}],"wp:attachment":[{"href":"https:\/\/jinanhui.com\/index.php\/wp-json\/wp\/v2\/media?parent=31176"}],"wp:term":[{"taxonomy":"pwb-brand","embeddable":true,"href":"https:\/\/jinanhui.com\/index.php\/wp-json\/wp\/v2\/pwb-brand?post=31176"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jinanhui.com\/index.php\/wp-json\/wp\/v2\/product_brand?post=31176"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jinanhui.com\/index.php\/wp-json\/wp\/v2\/product_cat?post=31176"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jinanhui.com\/index.php\/wp-json\/wp\/v2\/product_tag?post=31176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}