Side by side

Hamilton Khaki Aviation Khaki Pilot Pioneer Auto ChronovsLum-Tec Solar Marine

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

Solar Marine
Lum-TecSolar Marine
MSRP $463

At a glance

11 of 29 specs differ
Diameter
Khaki Aviation Khaki Pilot Pioneer Auto Chrono41mm
Solar Marine39mm
Power Reserve
Khaki Aviation Khaki Pilot Pioneer Auto Chrono60h
Solar Marine40h
Water Resistance
Khaki Aviation Khaki Pilot Pioneer Auto Chrono100m
Solar Marine300m
MSRP
Khaki Aviation Khaki Pilot Pioneer Auto Chrono$1,995
Solar Marine$463

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
41mm
39mm
Thickness
16mm
10.7mm
Lug-to-Lug
46mm
43.5mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel (DLC coated)
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Beige
Steel

Movement

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

Pricing

1 specs
MSRP
$1,995
$463

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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.

Lum-Tec Solar Marine

Lum-Tec Solar Marine owners praise its all-black diver design, excellent lume, and rugged, tank-like build. One owner finds it a perfect fit for a 7-inch wrist and the most frequently worn watch despite its smaller size. However, one owner cautions that the PVD coating will wear and chip within a year, impacting its appearance, and another finds the price high for a solar quartz watch with added lume. On balance, owners rate the Lum-Tec Solar Marine highly for its robust design and excellent lume, despite concerns about PVD durability and value proposition.

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