Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsTudor 1926 Luna

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
1926 Luna
Tudor1926 Luna
MSRP $3,000

At a glance

20 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
1926 Luna39mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
1926 Luna38h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
1926 Luna100m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
1926 Luna$3,000

Full specifications

Case

9 specs
Category
Diver
Moonphase
Diameter
41mm
39mm
Thickness
13mm
10.1mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
21mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished
Water Resistance
300m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black

Movement

7 specs
Caliber
Sellita SW220-1
T607-
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
38h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Moonphase

Pricing

1 specs
MSRP
$1,800
$3,000

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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.

Tudor 1926 Luna

The Tudor 1926 Luna offers a moonphase complication at an approachable price, featuring a 39mm polished steel case and domed sunray dials. It is powered by a chronometer-grade Sellita SW280-1 movement with a 41-hour power reserve. Some reviewers note that the dressier aesthetic of the 1926 line may not align with Tudor's overall brand identity, and the bracelet lacks micro-adjustments. Overall, owners and reviewers find the Tudor 1926 Luna a good value for its romantic moonphase complication and polished finishing.

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