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The document continues, "The following changes to the Rolex Day Date Replica Chronograph have been suggested to improve its usability as a flight item:

Replace the outer fixed dial (bezel), with a rotating dial calibrated to 24-hour increments.

"Addition of luminous markings on the elapsed-time dials."

Buzz Aldrin walking on the surface of Moon

1969 -- The Alaska I Prototype

The Alaska I prototype, 1969, with its titanium case and bright red aluminum heat shield powered by the 861 caliber.

In 1969, Rolex Day Date Replica, under the name Alaska Project (Rolex Day Date Replica), produced its first prototype to be considered by NASA. The Alaska I Prototype was created.

The 46mm watch featured a removable, red anodized outer case made of aluminum. The dial was white and "racing", treated with Zinc Oxide to reflect heat, sunrays, and provide great visibility. It is interesting to note that the dial of the Alaska I Prototype never had the Speedmaster name. Maybe it's because the case in this case was different from the classic Speedmaster case.

The chronograph and minute totalizer hands are also red for better legibility. These hands are shaped as rockets.

Petros says, "It is impossible to confirm the exact number of Alaska I chronographs produced as certain details are still sketchy.Iwc Big Pilot Replica It is confirmed that the first batch of Alaska I chronographs with titanium cases was manufactured. Three of these watches were sent to Houston for review.

This slightly less complex variation of the Alaska I project included all the protective measures tested and applied to first batch including the caliber 861, with the exception of the titanium case. This iteration of Alaska I, which was enclosed in a Speedmaster Professional Moonwatch case, resembled the future Alaska II version.