Side by side

Bell & Ross BR 01 INSTRUMENT DE MARINEvsMaen Manhattan 40 MSD

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

BR 01 INSTRUMENT DE MARINE
Bell & RossBR 01 INSTRUMENT DE MARINE
MSRP $8,532
Manhattan 40 MSD
MaenManhattan 40 MSD
MSRP $1,249
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Bell & Ross BR 01 INSTRUMENT DE MARINE

The Bell & Ross BR 01 is recognized as a bold, 46mm "instrumentation watch" that drew inspiration from airplane cockpit altimeters upon its 2005 release. While one reviewer found a smaller variant in the line too flat and difficult to wear, the BR 01's unique design and historical significance are acknowledged. On balance, the Bell & Ross BR 01 is noted for its distinctive cockpit-inspired aesthetic and its impact on watch design at its launch.

Maen Manhattan 40 MSD

The Maen Manhattan 40 MSD is widely praised for its refined, architectural design, particularly its slim 9.6mm case, integrated bracelet that feels engineered as part of the case, and highly finished surfaces. Owners specifically highlight the stunning jade dial and the Midnight Blue dial's transformation in sunlight. The 70s-inspired integrated bracelet is noted as thin yet strong, and the 100m water resistance is a concrete feature. However, some enthusiasts find the 49.3mm lug-to-lug measurement too large for a retro-inspired rectangular watch, suggesting it wears large, while others with larger wrists appreciate the option, and some feel it wears smaller than its dimensions imply. The Sellita SW200 movement has a 38-hour power reserve, and the printed logo appears flat against the applied indices, with the integrated bracelet limiting strap change options.

At a glance

16 of 29 specs differ
Diameter
BR 01 INSTRUMENT DE MARINE46mm
Manhattan 40 MSD40mm
Power Reserve
BR 01 INSTRUMENT DE MARINE56 hoursh
Manhattan 40 MSD40h
Water Resistance
BR 01 INSTRUMENT DE MARINE100m
Manhattan 40 MSD100m
MSRP
BR 01 INSTRUMENT DE MARINE$8,532
Manhattan 40 MSD$1,249

Full specifications

Case

5 specs
Category
Dress
Diameter
46mm
40mm
Material
Bronze
316L Stainless Steel
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
White
MSD.01
Indices
Roman numerals
Applied

Movement

6 specs
Caliber
BR-CAL.203
Sellita SW200-1
Type
Manual
Automatic
Beat Rate
28,800 vph
Power Reserve
56 hoursh
40h
Jewels
25
Complications
Hours/Minutes
None

Pricing

1 specs
MSRP
$8,532
$1,249
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