Side by side

Oblvlo JM RotorvsUnimatic Modello Quattro UC4 Classic Time Only

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

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.

Unimatic Modello Quattro UC4 Classic Time Only

The Unimatic Modello Quattro UC4 Classic Time Only features a robust 40mm black DLC case, 13.7mm to 13.9mm thick, with drilled lugs and a fixed steel bezel that balances beefiness with wearability. Reviewers note improved crown action and refinement over earlier models, with a flat sapphire crystal. Its sandwich dial reveals Super-LumiNova BG W9 beneath cut-out indexes, paired with a Seiko NH35A automatic movement. While the movement is considered robust and reliable, one reviewer expressed a preference for a Sellita caliber given the watch's heft. On balance, reviewers find the Unimatic Modello Quattro UC4 Classic Time Only to be a well-refined and wearable tool watch with a distinct military character.

At a glance

11 of 29 specs differ
Diameter
JM Rotor42mm
Modello Quattro UC4 Classic Time Only40mm
Power Reserve
JM Rotor42h
Modello Quattro UC4 Classic Time Only
Water Resistance
JM Rotor50m
Modello Quattro UC4 Classic Time Only300m
MSRP
JM Rotor$299
Modello Quattro UC4 Classic Time Only$655

Full specifications

Case

5 specs
Category
Sport
Diameter
42mm
40mm
Thickness
13mm
0mm
Material
Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Dial Color
Matte black

Movement

3 specs
Caliber
Miyota 8215
Seiko NH35
Power Reserve
42h
0h
Jewels
21
0

Pricing

1 specs
MSRP
$299
$655
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