Blancpain BathyscaphevsMühle-Glashütte Sea-Timer BlackMotion

Sea-Timer BlackMotion
Mühle-GlashütteSea-Timer BlackMotion

Ref. sea-timer-blackmotion-high-performance-strap·MSRP $2,852

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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 at true scale

Bathyscaphe

Mühle-Glashütte Sea-Timer BlackMotion at true scale

Sea-Timer BlackMotion

Diameter

43mm

44mm

Lug-to-Lug

n/a

54mm

Thickness

13.4mm

12.5mm

lowest

Water Resistance

300m

300m

Power Reserve

120h

n/a

MSRP

$18,600

$2,852

lowest

Movement

1315

Sellita SW200-1

Case

5 specs
Diameter
43mm
44mm
Thickness
13.45mm
12.5mm
Lug-to-Lug
n/a
54mm
Lug Width
n/a
22mm
Finish
Titanium
n/a

Crystal & Dial

1 specs
Dial Color
n/a
n/a

Movement

2 specs
Caliber
1315
Sellita SW200-1
Power Reserve
120h
0h

Pricing

1 specs
MSRP
$18,600
$2,852
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Reviews

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

Blancpain Bathyscaphe

Owners widely praise the Blancpain Bathyscaphe for its understated, quiet quality and dial that plays with light, with some finding it more upscale than other dive watches. Praised features include its legibility, minimal dial text, and the visually striking Liquidmetal bezel insert on the ceramic variant. One owner reports exceptional accuracy of 0.1s/day. However, some find the markers small, the aesthetic underwhelming, and the bezel action loud with some backplay, while others note potential issues with dust on the movement and stiff straps. The 43mm steel model is appreciated for its sunburst dial, and the 43.6mm ceramic variant offers comfortable wearability despite its size. On balance, owners appreciate the Blancpain Bathyscaphe for its refined finishing and subtle design, despite some criticisms regarding marker size and bezel feel.

Mühle-Glashütte Sea-Timer BlackMotion

Owners widely praise the Mühle-Glashütte Sea-Timer BlackMotion as a rugged, durable, and unique tool watch with a stealthy black PVD case and a functional, no-nonsense design. Some owners and reviewers find the font used for the model name text on the dial to be jarringly bright, and the date window placement at 4 o'clock is also criticized. One owner notes the watch appears larger in person than a 42mm model. Accuracy is reported at +5 seconds per day by one owner. Overall, owners and reviewers rate the Mühle-Glashütte Sea-Timer BlackMotion highly for its robust build and stealthy aesthetic, despite minor criticisms of dial text and date window placement.