Side by side

Oblvlo JM RotorvsTimefactors Royal Navy Diver PRS-82

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

JM Rotor
OblvloJM Rotor
MSRP $299
Royal Navy Diver PRS-82
TimefactorsRoyal Navy Diver PRS-82
MSRP $664
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.

Timefactors Royal Navy Diver PRS-82

Owners widely praise the Timefactors Royal Navy Diver PRS-82 for its exceptional case finishing at its price point and substantial bezel clicks. The 40mm sizing, sapphire crystal, and dateless design are frequently highlighted, with many appreciating its comfortable wearability on smaller wrists due to its short lug-to-lug distance and asymmetric case. Some owners note the lume is decent and legible overnight but fades faster than some other brands, and one owner found the hands' lume pip color clashed with the dial lume. The movement's seconds hand exhibits a characteristic "stutter" as observed by one owner. Overall, owners rate the Timefactors Royal Navy Diver PRS-82 highly for its authentic reissue appeal and excellent value.

At a glance

9 of 29 specs differ
Diameter
JM Rotor42mm
Royal Navy Diver PRS-8240mm
Power Reserve
JM Rotor42h
Royal Navy Diver PRS-82
Water Resistance
JM Rotor50m
Royal Navy Diver PRS-82300m
MSRP
JM Rotor$299
Royal Navy Diver PRS-82$664

Full specifications

Case

5 specs
Category
Sport
Diameter
42mm
40mm
Thickness
13mm
14mm
Lug-to-Lug
46mm
47mm
Water Resistance
50m
300m

Movement

3 specs
Caliber
Miyota 8215
Sellita SW200-1
Power Reserve
42h
Jewels
21
25

Pricing

1 specs
MSRP
$299
$664
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