Side by side

Seiko 5 Sports SKX series 2024 Special EditionvsUnimatic 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.

Seiko 5 Sports SKX series 2024 Special Edition

The Seiko 5 Sports SKX series 2024 Special Edition is praised for its faithful homage to the iconic SKX design, with owners appreciating its aesthetics. Some find the specifications are considered inferior to alternatives, and one enthusiast suggests removing "AUTOMATIC" from the dial. Accuracy figures reported by owners range from -5 to -8 seconds per day. Overall, owners view the Seiko 5 Sports SKX series 2024 Special Edition positively for its iconic design and value as a homage piece.

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

15 of 29 specs differ
Diameter
5 Sports SKX series 2024 Special Edition42.5mm
Modello Quattro UC4 Classic Time Only40mm
Power Reserve
5 Sports SKX series 2024 Special Edition41h
Modello Quattro UC4 Classic Time Only
Water Resistance
5 Sports SKX series 2024 Special Edition100m
Modello Quattro UC4 Classic Time Only300m
MSRP
5 Sports SKX series 2024 Special Edition$375
Modello Quattro UC4 Classic Time Only$655

Full specifications

Case

7 specs
Category
Sport
Diameter
42.5mm
40mm
Thickness
13.4mm
0mm
Lug-to-Lug
46mm
0mm
Lug Width
22mm
0mm
Material
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

4 specs
Crystal
Hardlex
Crystal Shape
Curved
Dial Color
Matte black
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
Seiko 4R36
Seiko NH35A (automatic)
Power Reserve
41h
0h
Jewels
24
0

Pricing

1 specs
MSRP
$375
$655
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