Blancpain Bathyscaphe Chronographe FlybackvsRolex Deepsea

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Blancpain Bathyscaphe Chronographe Flyback at true scale

Bathyscaphe Chronographe Flyback

Rolex Deepsea at true scale

Deepsea

Diameter

43mm

44mm

Thickness

14.9mm

n/a

Water Resistance

300m

3900m

highest

Power Reserve

50h

70h

highest

MSRP

$41,800

lowest

$68,100

Movement

F385

3235

Case

6 specs
Diameter
43mm
44mm
Thickness
14.9mm
n/a
Material
Red gold
18 kt yellow gold
Finish
Red gold
n/a
Water Resistance
300m
3900m
Caseback
n/a
Monobloc middle case, screw-down case back and winding crown. Rolex Ringlock System case architecture with Helium escape valve

Crystal & Dial

4 specs
Crystal Shape
n/a
Flat
Dial Color
n/a
Black
Indices
n/a
Index
Lume
None
Chromalight

Movement

7 specs
Caliber
F385
3235
Beat Rate
0 vph
28,800 vph
Power Reserve
50h
70h
Jewels
0
31
Hacking
No
Yes
Hand-winding
No
Yes
Complications
None
Date

Pricing

1 specs
MSRP
$41,800
$68,100
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Reviews

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

Blancpain Bathyscaphe Chronographe Flyback

Owners and reviewers widely praise the Blancpain Bathyscaphe Chronographe Flyback for its handsome design and advanced F385 automatic movement, which features a flyback function and smooth operation. The chronograph complication is noted to enhance the dial's visual appeal. Some find the 43mm case size a bit large, with one reviewer recommending the sailcloth strap for comfort and ideal positioning on the wrist. The bezel action is described as slightly stiff by one source, while another found the green dial's color intensity and yellowish glow undesirable. Overall, owners and reviewers rate the Blancpain Bathyscaphe Chronographe Flyback highly for its sophisticated tool watch aesthetic and impressive movement.

Rolex Deepsea

Owners widely praise the Rolex Deepsea for its serious capability and "bulletproof" build, with some finding it surprisingly not as large as it appears. Reviewers note subtle aesthetic updates and refined comfort on the case and bracelet. The modern 3235 movement is credited with enhanced accuracy, running at approximately +2 seconds per day with a 70-hour power reserve. Some owners find its size too large for daily wear or smaller wrists, while others appreciate its unique visual identity and engineering. On balance, owners and reviewers rate the Rolex Deepsea highly for its impressive engineering and robust build.