Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsBell & Ross BR-X2 tourbillon skeleton micro rotor

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
BR-X2 tourbillon skeleton micro rotor
Bell & RossBR-X2 tourbillon skeleton micro rotor
MSRP $74,520

At a glance

20 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 46mm46mm
BR-X2 tourbillon skeleton micro rotor42.5mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 46mm40h
BR-X2 tourbillon skeleton micro rotor
Water Resistance
OSAR-D (Original SAR with Date) Automatic 46mm300m
BR-X2 tourbillon skeleton micro rotor50m
MSRP
OSAR-D (Original SAR with Date) Automatic 46mm$2,500
BR-X2 tourbillon skeleton micro rotor$74,520

Full specifications

Case

9 specs
Category
Diver
Skeleton
Diameter
46mm
42.5mm
Thickness
13mm
Lug-to-Lug
43.5mm
Lug Width
18mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
50m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Underside
Dial Color
Black
Skeleton
Indices
Applied
Applied indices
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
Sellita SW220-1
BR-CAL.381
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
25
Complications
None
Hours/Minutes, Tourbillon

Pricing

1 specs
MSRP
$2,500
$74,520

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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.

Bell & Ross BR-X2 tourbillon skeleton micro rotor

The Bell & Ross BR-X2 tourbillon skeleton micro rotor is praised for its novel design, integrating the case and movement into a single sapphire crystal structure. Owners find the 42.5mm watch comfortable for daily wear and note its masculine appeal. Reviewers flag that the satin-finished hands can blend too much with the dial, impacting legibility.

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