Side by side

Oris Divers Sixty‑Five ChronographvsHamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Divers Sixty‑Five Chronograph
OrisDivers Sixty‑Five Chronograph
MSRP $4,700

At a glance

17 of 29 specs differ
Diameter
Divers Sixty‑Five Chronograph40mm
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Power Reserve
Divers Sixty‑Five Chronograph62 hoursh
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Water Resistance
Divers Sixty‑Five Chronograph100m
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
MSRP
Divers Sixty‑Five Chronograph$4,700
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445

Full specifications

Case

6 specs
Category
Chronograph
Pilot
Thickness
14.35mm
Lug-to-Lug
46mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Grey
Blue
Indices
Applied

Movement

6 specs
Caliber
771-1
H-51-Si
Type
Automatic
Manual
Beat Rate
4 vph
28,800 vph
Power Reserve
62 hoursh
60h
Jewels
27
25
Complications
Chronograph
None

Pricing

1 specs
MSRP
$4,700
$2,445

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Oris Divers Sixty‑Five Chronograph

The Oris Divers Sixty-Five Chronograph is praised for its classic, legible design and improved wearability with a 40mm case, though it remains a relatively thick 15.4mm. It is powered by the Sellita SW510-based Oris 771 caliber with a 48-hour power reserve. One reviewer noted that a full bronze variant's 21mm lug width limits strap options. Overall, reviewers find the Oris Divers Sixty-Five Chronograph a refined and appealing dive watch considered a credible alternative for everyday wear.

From video reviewers

The watch features a unique, nature-inspired dial that adds a touch to the classic design. The unidirectional dive bezel has smooth action. The lume is somewhat lacking, which may be a drawback for those who plan to use it in low-light conditions.

Hamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

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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