Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsHamilton Khaki Field King Day-Date

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

OSAR-D (Original SAR with Date) Automatic 46mm
MarathonOSAR-D (Original SAR with Date) Automatic 46mm
MSRP $2,500
Khaki Field King Day-Date
HamiltonKhaki Field King Day-Date
MSRP $845

At a glance

10 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
Khaki Field King Day-Date40mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
Khaki Field King Day-Date80h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
Khaki Field King Day-Date100m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
Khaki Field King Day-Date$845

Full specifications

Case

7 specs
Category
Diver
Field
Diameter
46mm
40mm
Thickness
13mm
11.8mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Movement

2 specs
Caliber
Sellita SW220-1
H-40
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$2,500
$845

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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 46mm

The Marathon OSAR-D (Original SAR with Date) Automatic 46mm is widely regarded as a rugged and legible timepiece, featuring a familiar geometric dial with MaraGlo lume and a white dial with applied hour markers that enhance legibility. Owners and reviewers note its 300-meter water resistance and the reliable Swiss-made Sellita SW200-1 automatic movement with improved shock protection. The watch is described as large, thick, and heavy, with some owners finding it comfortable on the wrist while others note its substantial presence, particularly at a table. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 46mm for its rugged build and excellent legibility.

Hamilton Khaki Field King Day-Date

Hamilton Khaki Field King Day-Date owners widely praise its classic styling, 80-hour power reserve, and excellent value. Opinions on water resistance are split; some express concern over the 50m rating, while others find it sufficient for daily wear and swimming. One owner notes the stock strap can be stiff. Service costs range from $55 for routine maintenance to $220 for full service with movement replacement. On balance, owners rate the Hamilton Khaki Field King Day-Date highly for its classic aesthetics and impressive power reserve at its price point.

From video reviewers

The 80-hour power reserve from the H-40 automatic movement is a significant strength. The 50-meter water resistance is considered a limitation for a field watch.

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