Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsHamilton Khaki Aviation Khaki Pilot Pioneer Auto Chrono

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

OSAR-D (Original SAR with Date) Automatic 41mm
MarathonOSAR-D (Original SAR with Date) Automatic 41mm
MSRP $1,800

At a glance

10 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
Khaki Aviation Khaki Pilot Pioneer Auto Chrono41mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
Khaki Aviation Khaki Pilot Pioneer Auto Chrono60h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
Khaki Aviation Khaki Pilot Pioneer Auto Chrono100m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
Khaki Aviation Khaki Pilot Pioneer Auto Chrono$1,995

Full specifications

Case

6 specs
Category
Diver
Chronograph
Thickness
13mm
16mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Black
Beige

Movement

2 specs
Caliber
Sellita SW220-1
H-31
Power Reserve
40h
60h

Pricing

1 specs
MSRP
$1,800
$1,995

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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.

Marathon OSAR-D (Original SAR with Date) Automatic 41mm

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is noted for its highly legible white dial with applied hour markers and a functional date magnifier, emphasizing its tool-watch purpose. Its Swiss-made Sellita SW200-1 movement is considered reliable and serviceable. One reviewer found the bracelet lacked refinement and preferred the rubber strap option. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 41mm for its excellent legibility and robust movement.

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.

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