Mühle-Glashütte Sea-Timer BlackMotionvsResco BlackFrog UDT (DLC Titanium, Quartz/Auto)

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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.

Mühle-Glashütte Sea-Timer BlackMotion at true scale

Sea-Timer BlackMotion

Resco BlackFrog UDT (DLC Titanium, Quartz/Auto) at true scale

BlackFrog UDT (DLC Titanium, Quartz/Auto)

Diameter

44mm

42mm

Lug-to-Lug

54mm

49.7mm

lowest

Thickness

12.5mm

lowest

13mm

Water Resistance

300m

300m

MSRP

$2,852

$1,905

lowest

Movement

Sellita SW200-1

Sellita SW200-1

Case

5 specs
Category
Diver
n/a
Diameter
44mm
42mm
Thickness
12.5mm
13mm
Lug-to-Lug
54mm
49.67mm
Lug Width
22mm
20mm

Crystal & Dial

1 specs
Dial Color
n/a
Black

Pricing

1 specs
MSRP
$2,852
$1,905
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Reviews

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

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.

Resco BlackFrog UDT (DLC Titanium, Quartz/Auto)

Owners widely report that the DLC titanium case, while hard, is prone to microscopic chipping and scratching. Despite this, many consider the Resco BlackFrog UDT (DLC Titanium, Quartz/Auto) a good value, with some noting wear after years of daily use. The company's customer service and customization options are consistently praised, though some owners question the value proposition given the movement. On balance, owners appreciate the Resco BlackFrog UDT (DLC Titanium, Quartz/Auto) for its robust case and customer service, despite concerns about the DLC coating's durability.