A link dealer who goes by @johnswatches on Instagram is link asking $4,000 for this outstanding example of the rare link reference. If you've been after one for a while, this is the watch for you. Make him an offer here.

Like substantially all watches and chronographs, the Navitimer had 12-hour indication, meaning that the hour hand rotated around the dial every 12 hours. Carpenter believed that for the link astronaut orbiting the earth every 90 link minutes, and seeing multiple sunrises and sunsets over the course of a 12-hour period, 24-hour indication link would be preferable.

In Watch of the link Week, we invite Hodinkee staffers and friends link to explain why they love a certain watch. This week's columnist is link Gabriela Ulloa, writer and co-host of the podcast Thoughts May Vary. Today, she's telling us the story behind her Datejust.

Lots of collectors have stories about their fathers and Daniel is no different. This Seiko Speed-Timer is the same model that his father wore during his childhood. It was originally a gift from Daniel's link uncle and it was a meaningful gift at that. His father would jostle the watch before going to sleep each night to make sure the automatic movement link kept running while he was sleeping. Memories of this ritual are Daniel's first, and some of his most vivid, link watch memories.

In addition to link his Breitling Navitimer and Gallet Multichron, the Scottish-born driver is well known for having worn an Enicar Sherpa Graph, which many now reference using Clark's name. With four different typefaces found on its dial, along with an applied link Saturn logo, this is another one of those watches that doesn't make the most sense on paper, but works awfully well in the link metal.

And of course, it is link the fiftieth anniversary of the Moon landing, after all. I intend to spend the evening perhaps watching The Right Stuff and Apollo 13 back to back, and then at 10:56 PM EST, glancing at my Speedmaster, at the exact moment Neil Armstrong spoke the words, fifty years ago, "That's one small step for a man ... one giant leap for mankind," and link remembering how it felt to hear link them then, and how that feeling is still fresh, five decades later.

Cutting costs can mean a lot of things, one of which is cutting out production steps – especially anything that involves manual skills that require a lot of training. link It can also mean finding cheaper places to buy materials, which is why supply chains are among the least transparent link aspect of link fine watchmaking (with implications for sustainability, natch) as well as producing, as much as possible, components in locations where the cost of labor is as low as possible.

I’ve actually not removed link any links yet to make it fit my link wrist, but that’s a project for another day. Therefore, I’ve coupled the watch with a great blue link kangaroo strap from BCatt. I think it perfectly complements the blue found on the watch itself.

Of course, we wouldn't just have any old DRSD here. This link model is seriously link rare – we see more "Paul Newman" Daytonas than Double Reds – but that doesn't mean only an average condition example has made its way into the Shop. Rather, the one we have here has a strong case, creamy lume patina, box, papers, receipt, and even a certificate from Beyer that's been link signed by Rene Beyer himself which speaks to the authenticity of this watch, as well as the full set.

Here we have link a funky, blue and red Solar Speedtimer Chronograph, with its tachymeter-bezel on the wrist of Tarform founder and link CEO Taras Kravtchouk near the brand's headquarters in link the Brooklyn Navy Yard. Where the watch takes some vintage cues from a fairly groovy decade, the bikes have a much more industrial feel – an aesthetic inspired by a combination of deco-futurism and a 1940s-era design ethos.