Side by side

Oblvlo JM RotorvsSpinnaker Bradner

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

JM Rotor
OblvloJM Rotor
MSRP $299
Bradner
SpinnakerBradner
MSRP $179
What people say

Owners + reviewers, side by side

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

Oblvlo JM Rotor

Owners widely praise the Oblvlo Star Wheel for its artistic dial, crisp finishing, and sturdy build, noting it wears well on smaller wrists due to its actual dimensions being smaller than listed. The winding action is described as smooth, though the lume is consistently flagged as weak and imprecise in darkness, and the lack of anti-glare coating is a drawback for some. On balance, owners rate the Oblvlo highly for its artistic dial and build quality at the price.

Spinnaker Bradner

Owners widely praise the Spinnaker Bradner's vibrant dials and excellent lume on indices and bezel, with one owner noting comfortable wearability on a 7-inch wrist. Reviewers flag imprecise finishing on the minute ring and an inner bezel crown that rotates too easily, while some owners report the internal rotating bezel does not stay in position. The watch features a Seiko NH35 movement with a 41-hour power reserve and is priced around $390-$430 USD. On balance, owners and reviewers find the Spinnaker Bradner to be a fun, affordable diver, with its vibrant dials and strong lume being key selling points.

From video reviewers

The Spinnaker Atlantic Blue's reliable Seiko NH35 automatic movement is a key strength. The watch's lume performance is somewhat lacking, which may be a trade-off for some buyers. Reviewers disagree on the watch's bezel action, with one reviewer praising it as smooth and precise, while the other two do not mention it.

At a glance

11 of 29 specs differ
Diameter
JM Rotor42mm
Bradner42mm
Power Reserve
JM Rotor42h
Bradner40h
Water Resistance
JM Rotor50m
Bradner180m
MSRP
JM Rotor$299
Bradner$179

Full specifications

Case

6 specs
Category
Sport
Diver
Thickness
13mm
15mm
Lug-to-Lug
46mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
180m

Crystal & Dial

1 specs
Dial Color
Black
Tidal Blue

Movement

3 specs
Caliber
Miyota 8215
Seiko NH35
Power Reserve
42h
40h
Jewels
21
25

Pricing

1 specs
MSRP
$299
$179
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