Unimatic · Microbrand · Italy

Unimatic Modello Quattro UT4 Titanium

Ref. UT4-T · Limited · 2023 · Field

Unimatic Modello Quattro UT4-T-M MAAP
Photo: Unimatic
  • Unimatic Modello Quattro UT4-U-TI
From $685 to $1,369
  • Seiko VH31B
  • 40 mm × 12.3 mm
  • Sapphire crystal
  • 300 m water resistance

Movement

Type
Quartz
Tier
Mid
Complications
Time only
Frequency
n/a
Power reserve
n/a
Hacking
n/a
Accuracy (factory)
-15 / +15 s/month

Case

Diameter
40 mm
Lug to lug
49 mm
Thickness
12.3 mm
Lug width
22 mm
Material
Titanium (Grade 2)
Hardening
—
Water resistance
300 m
Crown
Screw-down
Case back
Solid, screw-down
Bezel
Fixed
Finishing
Sandblasted

Crystal & dial

Crystal
Sapphire
Shape
Flat
Anti-reflective
Inner
Lume
Super-LumiNova (BGW9 on UT4-T-M, GL C1 on UT4-U-TI)

Bracelet

Bracelet
—

Straps

Strap 1
Other, quick release, Shadow grey custom MAAP TPU two-piece strap with titanium sandblasted hardware signed UNIMATIC (UT4-T-M)
Strap 2
NATO, Olive drab seatbelt NATO strap, the extra strap on UT4-T-M
Strap 3
Nylon, Black and international orange three-layer nylon two-piece strap with nylon keeper, steel sandblasted hardware signed UNIMATIC (UT4-U-TI)

Weight

Head only
51 g
On bracelet
—
On strap
65 g

Prices

VariantConfigurationTypePriceUSDAs ofSource
UT4-T-M MAAP—Msrp1,220 EURincl. VAT$1,3692026-10-25link
UT4-U-TI—Msrp610 EURincl. VAT$6852026-10-25link

Variants

NameReferenceDialConfigurationStatus
UT4-T-M MAAPUT4-T-Mshadow grey diver dial, MAAP logo, BGW9 white lume, matte cool grey open seconds rail, white trims, shadow grey hands, blue seconds tipshadow grey MAAP quick-release TPU two-piece strap + olive drab seatbelt NATO, titanium hardwareLimited (100)
UT4-U-TIUT4-U-TImatte black, printed Arabic numerals, GL C1 lume, white open seconds rail, international orange trims and seconds tipblack and international orange three-layer nylon two-piece strap with nylon keeperLimited (99)

About this entry

87% of key specs known. Missing: hardening, bracelet offered.

The Modello Quattro UT4 in sandblasted grade 2 titanium, on the same Seiko VH31A quartz in Unimatic's 360° protection system (TPU gasket above the dial and TPU movement holder, MIL-STD-810H certified according to Unimatic), sold as numbered limited editions, each recorded as a variant; Unimatic called the UT4-T-M of 2023 'the first titanium slimmer Modello Quattro case'. Specification from the UT4-U-TI spec sheet (2026): 40mm case with a fixed monoblock bezel, 49mm lug to lug, 28.4mm case opening, 12mm without the crystal and 12.3mm with it, recorded, 22mm drilled lugs, 8mm screw-down 'Alchemical Sun' crown between angular crown guards (photos), screw-down caseback, individually tested to 300m, 2.8mm flat sapphire with anti-reflective coating on the inner side, 51g head and 65g on the strap; Unimatic quotes ±15 s/month and about two years on an SR920SW cell, with no regulation claim. The UT4-T-M sheet gives 12.05mm (crystal not stated) and no weight. Prices are Unimatic's euro prices for Italy, VAT included, shown on each product page. Edition details. UT4-T-M (2023, 100) was made with MAAP: shadow grey diver dial with the MAAP logo, BGW9 white lume, matte cool grey seconds rail, white trims, shadow grey hands with a blue seconds tip, blue movement holder, UNIMATIC x MAAP caseback, shadow grey MAAP quick-release TPU strap plus an olive drab seatbelt NATO, titanium hardware. UT4-U-TI (2026, 99): matte black dial with printed Arabic numerals, GL C1 lume, white open seconds rail, international orange trims and seconds tip, 'Ultratool' caseback, black and international orange three-layer nylon strap with steel hardware. Its description is copied from the UT4-GMT (sandblasted 316L steel, Ronda 515.24D, GMT and date windows), but its page header and spec list, its sheet and the photos show titanium, the VH31A and no windows, followed here.

Last verified: 2026-10-25. Edit or correct this entry.

Sources