Thorn · Factory brand · China

Thorn T023 (PT5000, Date)

Ref. T023 · In production · Diver

Design reference: Tudor Submariner "Snowflake" (blue dial, date)

From $189 to $199
  • PT5000
  • 40 mm × 12.3 mm
  • Sapphire crystal
  • 200 m water resistance

Movement

Caliber
PT5000
Type
Automatic
Tier
Mid
Complications
Date
Frequency
28,800 bph
Power reserve
38 h
Hacking
Yes
Accuracy (factory)
-12 / +12 s/day

Case

Diameter
40 mm
Lug to lug
46.6 mm
Thickness
12.3 mm
Lug width
20 mm
Material
Steel (316L)
Hardening
—
Water resistance
200 m
Crown
Screw-down
Case back
Solid, screw-down
Bezel
aluminum insert
Finishing
Brushed and polished

Crystal & dial

Crystal
Sapphire
Shape
Domed
Anti-reflective
Inner
Lume
C3 (V3.1; V2.1 not stated)

Bracelet & clasp

Style
—
Links per row
—
Solid end links
—
Solid links
—
Link attachment
—
Taper
—
Quick release
—
Half links
—
Clasp
Fold-over
Micro-adjust
—
Diver extension
—

Weight

Head only
—
On bracelet
—
On strap
—
Stated weight (basis not given)
129 g

Prices

VariantConfigurationTypePriceUSDAs ofSource
V2.1 Blue—Street189 USD$1892026-10-24link
V3.1 Blue (C3)—Street199 USD$1992026-10-24link

Variants

NameDialBezelConfiguration
V2.1 Blueblue with dateblueV2.1 upgraded bracelet
V3.1 Blue (C3)blue with dateblueV3.1 tool-less bracelet

About this entry

74% of key specs known. Missing: hardening, bracelet links, end links, link attachment, clasp micro-adjust.

The "Retro Blue" T023 with a date window at 3 (the listings say "with date"), split from the no-date T023 (PT5000) because the PT5000's date is shown here. Sold in the V2.1 "Upgraded Bracelet Edition" listing and in V3.1 (new dial text, a bracelet with tool-less quick-release links and a free leather box; this dial was sold out there on 2026-10-25). Brand specs, as for the other T023s: PT5000 automatic, 316L case (brushed and polished), domed sapphire with inner AR coating, rotating aluminium bezel insert (direction and clicks not stated), screw-down crown, solid screw-down caseback, 200m, 40mm, 46.6mm lug-to-lug, 12.3mm including the crystal, 20mm steel bracelet (185mm long) with a folding clasp, "approx. 129g" (what was weighed is not stated). Prices 89 (V2.1, crossed-out 19) and 99 (V3.1, crossed-out 19).

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

Sources