Side by side

Bell & Ross BR-X5 IridescentvsHamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

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

BR-X5 Iridescent
Bell & RossBR-X5 Iridescent
MSRP $9,709

At a glance

19 of 29 specs differ
Diameter
BR-X5 Iridescent41mm
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Power Reserve
BR-X5 Iridescent70 hoursh
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Water Resistance
BR-X5 Iridescent100m
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
MSRP
BR-X5 Iridescent$9,709
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445

Full specifications

Case

7 specs
Category
Pilot
Diameter
41mm
40mm
Thickness
12.8mm
14.35mm
Lug-to-Lug
50mm
Lug Width
22mm
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
White
Blue
Indices
Applied indices
Applied
Lume
Super-LumiNova
None

Movement

6 specs
Caliber
BR-CAL.323
H-51-Si
Type
Automatic
Manual
Beat Rate
28,800 vph
Power Reserve
70 hoursh
60h
Jewels
25
Complications
Hours/Minutes, Seconds, Power Reserve Indicator
None

Pricing

1 specs
MSRP
$9,709
$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.

Bell & Ross BR-X5 Iridescent

The Bell & Ross BR-X5 Iridescent is praised for its vibrant, color-shifting dial that moves between blue, green, and violet hues, achieved through layered PVD coatings over a sunburst texture. Reviewers note the 41mm stainless steel case has a mix of polished and brushed finishes. The BR-CAL.323 automatic movement, manufactured by Kenissi, is COSC-certified and offers a 70-hour power reserve. Some owners find the dial's "epic summer vibe" a bit too flashy and express concern about long-term appeal, with the watch priced at $8,400 on a bracelet. Overall, owners and reviewers highlight the striking iridescent dial as the Bell & Ross BR-X5 Iridescent's defining feature.

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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