Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsTudor 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 46mm
MarathonOSAR-D (Original SAR with Date) Automatic 46mm
MSRP $2,500
1926 Luna
Tudor1926 Luna
MSRP $3,000

At a glance

20 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
1926 Luna39mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
1926 Luna38h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
1926 Luna100m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
1926 Luna$3,000

Full specifications

Case

9 specs
Category
Diver
Moonphase
Diameter
46mm
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
$2,500
$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 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.

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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