Side by side

Marathon MSAR (Medium Search & Rescue) Diver's AutomaticvsTudor Black Bay 58

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

MSAR (Medium Search & Rescue) Diver's Automatic
MarathonMSAR (Medium Search & Rescue) Diver's Automatic
MSRP $1,800
Black Bay 58
TudorBlack Bay 58
MSRP $5,350

At a glance

18 of 29 specs differ
Diameter
MSAR (Medium Search & Rescue) Diver's Automatic36mm
Black Bay 5839mm
Power Reserve
MSAR (Medium Search & Rescue) Diver's Automatic40h
Black Bay 5865h
Water Resistance
MSAR (Medium Search & Rescue) Diver's Automatic300m
Black Bay 58200m
MSRP
MSAR (Medium Search & Rescue) Diver's Automatic$1,800
Black Bay 58$5,350

Full specifications

Case

8 specs
Diameter
36mm
39mm
Thickness
18mm
11.7mm
Lug-to-Lug
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

3 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
White
Black

Movement

6 specs
Caliber
Sellita SW200-1
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
$1,800
$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 MSAR (Medium Search & Rescue) Diver's Automatic

The Marathon MSAR (Medium Search & Rescue) Diver's Automatic is lauded for its utilitarian, no-nonsense design, exceptional tritium lume for visibility, and comfortable 41mm wearability. Reviewers highlight its robust build, meeting ISO 6425 dive watch standards and approved for military use, demonstrating durability during demanding activities. One reviewer notes the stock rubber strap requires modification for a proper fit. Overall, reviewers rate the Marathon MSAR (Medium Search & Rescue) Diver's Automatic highly for its focus on utility and ruggedness at its price point.

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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