Side by side

Hamilton Khaki Aviation Khaki Pilot Pioneer Auto ChronovsSpinnaker Bradner GMT

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

Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

10 of 29 specs differ
Diameter
Khaki Aviation Khaki Pilot Pioneer Auto Chrono41mm
Bradner GMT42mm
Power Reserve
Khaki Aviation Khaki Pilot Pioneer Auto Chrono60h
Bradner GMT40h
Water Resistance
Khaki Aviation Khaki Pilot Pioneer Auto Chrono100m
Bradner GMT180m
MSRP
Khaki Aviation Khaki Pilot Pioneer Auto Chrono$1,995
Bradner GMT$299

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
41mm
42mm
Thickness
16mm
15mm
Lug-to-Lug
46mm
50mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
180m

Crystal & Dial

1 specs
Dial Color
Beige
Brown

Movement

2 specs
Caliber
H-31
Seiko NH34A
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$1,995
$299

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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.

Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono

Owners widely praise the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono for its excellent dial legibility and unique, vintage-inspired design, with some noting its thinness and 72-hour power reserve. Reviewers highlight its charismatic, function-forward military aesthetic and attractive dial execution. The watch is considered a wise starting point for a chronograph under $2,000, with observed accuracy around +/- 4 seconds per day and a 60-hour power reserve. Some owners find the non-screw-down crown limits water confidence, and one reviewer notes the mineral crystal scratches more easily than sapphire. The price is considered a bit punchy by one source. On balance, owners and reviewers rate the Hamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono highly for its handsome, utilitarian design and value.

Spinnaker Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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