Oris Big Crown Pointer Date Calibre 403vsHamilton Khaki Aviation Pilot Pioneer Mechanical Chrono
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differFull specifications
Case
7 specsCrystal & Dial
4 specsMovement
6 specsPricing
1 specsFollow this matchup
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Owners + reviewers, side by side
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The Oris Big Crown Pointer Date Calibre 403 is praised for its 120-hour power reserve and anti-magnetic properties, with reviewers noting its simplified design and vibrant blue dial. Owners highlight the smooth winding feel of the in-house Calibre 403 movement, which features twin barrels. However, some owners report minor time-setting issues, and the 50-meter water resistance is considered underwhelming by one reviewer, who also notes the deer leather strap's clasp scratches easily. On balance, owners and reviewers rate the Oris Big Crown Pointer Date Calibre 403 highly for its impressive power reserve and value proposition.
The 5-day power reserve of the new in-house Calibre 403 movement is a key strength. Reviewers noted the comfortable H-link bracelet and vibrant dial color options.
Owners and reviewers widely praise the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono for its authentic military design, attractive dial execution, and intriguing asymmetrical case, with many appreciating its utilitarian feel and vintage vibe. The hand-wound H-51-Si movement, offering a 60-hour power reserve and accuracy around +5 to +7 seconds per day, is also noted positively, as is the satisfying feel of manual winding. Some owners find the 36mm case size light and versatile, while others note it wears larger than its dimensions suggest. However, several sources point to the mineral crystal as a drawback compared to sapphire, and the lume is generally described as weak. The included strap is frequently criticized for being too long and uncomfortable, with many preferring it on a NATO strap. On balance, owners and reviewers rate the Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono highly for its compelling vintage military aesthetic and solid value proposition.
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