Side by side

Bell & Ross BR 01 INSTRUMENT DE MARINEvsZelos Spearfish GMT

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
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

20 of 29 specs differ
Diameter
BR 01 INSTRUMENT DE MARINE46mm
Spearfish GMT40mm
Power Reserve
BR 01 INSTRUMENT DE MARINE56 hoursh
Spearfish GMT40h
Water Resistance
BR 01 INSTRUMENT DE MARINE100m
Spearfish GMT200m
MSRP
BR 01 INSTRUMENT DE MARINE$8,532
Spearfish GMT$999

Full specifications

Case

9 specs
Category
GMT
Diameter
46mm
40mm
Thickness
13mm
Lug-to-Lug
40mm
Lug Width
20mm
Material
Bronze
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
BR-CAL.203
Sellita SW330-2
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
$999

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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.

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.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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