The Wristwatch Field Guide

Unimatic Modello Uno U1S-T-SE (x Sease)

The Unimatic Modello Uno U1S-T-SE (x Sease) is a current-production diver watch with a grade 5 titanium case, finished with sandblasted. At 62 g it sits among the lighter diver watches in the guide.

All Unimatic watchesExotic-material diver watchesTitaniumDivers
Material
Titanium
Grade / type
Grade 5
Weight
62 g
Water resistance
300 m
Type
Diver
Price
– · LE 60 (2024), sold out
Case diameter
41.5 mm
Origin
Italy
Movement
Automatic
Caliber
Sellita SW200-1
Power reserve
38 h
Complications
Time only
Colour
Grey
Surface treatment
Sandblasted
Caseback
Titanium
Nickel-free
Not verified (bracelet, strap, or clasp hardware not confirmed)
Bracelet / strap
TPU strap
Crystal
Double-domed sapphire, AR coated
Display back
No
Dial
Foliage green
Dial colours
Green
Lume
Super-LumiNova C1
Availability
Offered
Status
x Sease Sailing; limited edition of 60 (2024), sold out
Not published
Reference, Thickness, Lug-to-lug, Hardness, Construction, Matching bracelet
High confidence Verified Jul 2026 Source: Unimatic
Facts are free to cite with a link.
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Alternatives to the Unimatic Modello Uno U1S-T-SE (x Sease)

Tandorio TD223T TA2 Titanium Fifty Fathoms Diver Japan DoneTandorioTD223T TA2 Titanium Fifty Fathoms Diver Japan Done$124.7540.0 mm14 mm thickDiversame category · same style · similar size · same movementTandorio TD267A Titanium FXD MOD DiverTandorioTD267A Titanium FXD MOD Diver$12942.0 mmDiversame category · same style · similar size · same movementTandorio TD231 Titanium Turtle Diver 44mm MOP AbaloneTandorioTD231 Titanium Turtle Diver 44mm MOP Abalone$134.7844.0 mm13.4 mm thickDiversame category · same style · similar size · same movementCronos Bronze CuSn8CronosBronze CuSn8$13642.0 mmDiversame category · same style · similar size · same movement
Proxima62MAS Bronze$14039.0 mmDiversame category · same style · similar size · same movementTandorio TD251 Ti-2 Titanium Skx007 Diver NH36 41mm CeramiTandorioTD251 Ti-2 Titanium Skx007 Diver NH36 41mm Cerami$142.1341.0 mm14 mm thickDiversame category · same style · similar size · same movement

More exotic-material watches from Unimatic

Unimatic Modello Uno U1S-T-MPUnimaticModello Uno U1S-T-MP$1,17841.5 mm11.25 mm thick62 gDiverUnimatic Modello Due U2S-T-MPUnimaticModello Due U2S-T-MP$89938.0 mm58 gFieldUnimatic Modello Uno U1S-T-PD6-B ProDiverUnimaticModello Uno U1S-T-PD6-B ProDiver$1,90041.5 mm14.4 mm thick63 gDiverUnimatic Modello Uno U1S-TGMTUnimaticModello Uno U1S-TGMT$1,94940.0 mm57 gDiverUnimatic Modello Quattro U4S-T-LBUnimaticModello Quattro U4S-T-LB$1,66040.0 mm65 gFieldUnimatic Modello Due U2S-T-WUnimaticModello Due U2S-T-W$1,39238.0 mmField

Frequently asked questions

What is the case material of the Unimatic Modello Uno U1S-T-SE (x Sease)?

The Unimatic Modello Uno U1S-T-SE (x Sease) has a grade 5 titanium case with a titanium caseback. This is confirmed against the maker spec.

What size is the Unimatic Modello Uno U1S-T-SE (x Sease)?

It is 41.5 mm in diameter, and water resistant to 300 m.

How much does the Unimatic Modello Uno U1S-T-SE (x Sease) weigh?

About 62 g.

How much does the Unimatic Modello Uno U1S-T-SE (x Sease) cost, and is it available?

It is current-production; the guide does not list a price for it.

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