Side by side

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

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 Ceramic
TudorBlack Bay Ceramic
MSRP $6,125

At a glance

11 of 29 specs differ
Diameter
MSAR (Medium Search & Rescue) Diver's Automatic36mm
Black Bay Ceramic41mm
Power Reserve
MSAR (Medium Search & Rescue) Diver's Automatic40h
Black Bay Ceramic70h
Water Resistance
MSAR (Medium Search & Rescue) Diver's Automatic300m
Black Bay Ceramic200m
MSRP
MSAR (Medium Search & Rescue) Diver's Automatic$1,800
Black Bay Ceramic$6,125

Full specifications

Case

7 specs
Diameter
36mm
41mm
Thickness
18mm
14.4mm
Lug-to-Lug
46mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
Ceramic
Water Resistance
300m
200m
Caseback
Solid
Engraved

Crystal & Dial

1 specs
Dial Color
White
Black

Movement

2 specs
Caliber
Sellita SW200-1
MT5602-1U
Power Reserve
40h
70h

Pricing

1 specs
MSRP
$1,800
$6,125

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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 Ceramic

The Tudor Black Bay Ceramic's matte ceramic case and bracelet offer a stealthy, scratch-proof aesthetic that shifts from anthracite to gray in light. Reviewers note its comfortable wearability, with one highlighting improved comfort over steel versions, and praise the METAS-certified MT5602-U movement. However, the sandblasted finishing is described as lacking contrast, and the bracelet's butterfly clasp omits on-the-fly adjustment. The PVD-treated steel bezel ring is also flagged as a potential wear-and-tear vulnerability. On balance, reviewers find the Tudor Black Bay Ceramic appealing for its unique ceramic construction and durable, stealthy finish, despite some functional limitations.

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