Side by side

Bell & Ross BR-05 GMT Sky BluevsHamilton Khaki Aviation Pilot Pioneer Mechanical Chrono

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

BR-05 GMT Sky Blue
Bell & RossBR-05 GMT Sky Blue
MSRP $6,264

At a glance

19 of 29 specs differ
Diameter
BR-05 GMT Sky Blue41mm
Khaki Aviation Pilot Pioneer Mechanical Chrono40mm
Power Reserve
BR-05 GMT Sky Blue
Khaki Aviation Pilot Pioneer Mechanical Chrono60h
Water Resistance
BR-05 GMT Sky Blue100m
Khaki Aviation Pilot Pioneer Mechanical Chrono100m
MSRP
BR-05 GMT Sky Blue$6,264
Khaki Aviation Pilot Pioneer Mechanical Chrono$2,445

Full specifications

Case

7 specs
Category
GMT
Pilot
Diameter
41mm
40mm
Thickness
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.325
H-51-Si
Type
Automatic
Manual
Beat Rate
28,800 vph
Power Reserve
60h
Jewels
25
Complications
Hours/Minutes, Seconds, Date, GMT
None

Pricing

1 specs
MSRP
$6,264
$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-05 GMT Sky Blue

Owners and reviewers widely praise the Bell & Ross BR-05 GMT Sky Blue for its excellent finishing, sharp transitions between brushed and polished surfaces, and attractive blue sunray dial. It is noted to wear well on wrists under 6.5 inches. Some owners question its value proposition due to the Sellita movement, and one owner finds the crown can be fussy to use, while another notes sharp edges on the bracelet links. Overall, owners and reviewers rate the Bell & Ross BR-05 GMT Sky Blue highly for its cohesive package and attractive case execution.

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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