Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsTudor Black Bay 58

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
Black Bay 58
TudorBlack Bay 58
MSRP $5,350

At a glance

17 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
Black Bay 5839mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
Black Bay 5865h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
Black Bay 58200m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
Black Bay 58$5,350

Full specifications

Case

8 specs
Diameter
46mm
39mm
Thickness
13mm
11.7mm
Lug-to-Lug
43.5mm
46mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

2 specs
Crystal Shape
Flat
AR Coating
Inner

Movement

6 specs
Caliber
Sellita SW220-1
MT5400-U
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$2,500
$5,350

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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 Black Bay 58

The Tudor Black Bay 58 is widely praised for its superb wearing experience, perfect proportions, and comfortable wearability, with owners anticipating it becoming a Tudor classic. Reviewers highlight its substantial, rugged build quality and significant value, rivaling more expensive timepieces. One owner notes the clasp's sharp shield as a minor annoyance.

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