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Unimatic Modello Quattro UC4 Classic Time OnlyvsZelos Helmsman 3

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

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What people say

Owners + reviewers, side by side

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

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.

Zelos Helmsman 3

Owners widely praise the Zelos Helmsman 3 for its exceptional finishing and polishing on the titanium case, with some noting it feels nicer than previous models. The unique Titanium Crystalline Dial and Damascus Titanium dial are frequently highlighted as aesthetically pleasing and head-turning features, especially considering the price point. The brushed beads of rice bracelet is described as fitting well, and the on-the-fly clasp is considered amazing. Lume is also noted as great, with lumed crowns being a positive observation. However, some owners report the watch can feel top-heavy with sharp edges, making it uncertain as a daily driver for some. The meteorite bezel is seen by one owner as not adding significant value, and the stock strap's keepers and stitching were considered to detract from the watch's appearance.

At a glance

10 of 29 specs differ
Diameter
Modello Quattro UC4 Classic Time Only40mm
Helmsman 340mm
Power Reserve
Modello Quattro UC4 Classic Time Only
Helmsman 3
Water Resistance
Modello Quattro UC4 Classic Time Only300m
Helmsman 3200m
MSRP
Modello Quattro UC4 Classic Time Only$655
Helmsman 3$529

Full specifications

Case

6 specs
Category
Diver
Thickness
0mm
11.5mm
Lug-to-Lug
0mm
40mm
Lug Width
0mm
20mm
Material
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Dial Color
Matte black
SS - Frost

Movement

1 specs
Caliber
Seiko NH35
Miyota 9015

Pricing

1 specs
MSRP
$655
$529
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