Thorn · Factory brand · China

Thorn T020

Ref. T020 · Diver, GMT

From $219
  • Seiko NH34A
  • 42 mm × 13.8 mm
  • Sapphire crystal
  • 200 m water resistance

Where to buy

Movement

Type
Automatic
Tier
Entry
Complications
Date, GMT
Frequency
21,600 bph
Power reserve
41 h
Hacking
Yes
Accuracy (factory)
-20 / +40 s/day

Case

Diameter
42 mm
Lug to lug
51.7 mm
Thickness
13.8 mm
Lug width
22 mm
Material
Titanium (Grade 2)
Hardening
—
Water resistance
200 m
Crown
—
Case back
—
Bezel
Bidirectional, 120 clicks, 24-hour GMT, ceramic insert, lumed

Crystal & dial

Crystal
Sapphire
Shape
Domed
Anti-reflective
Inner
Lume
Luminous dial and hands (material not stated)

Bracelet

Bracelet
Not offered

Straps

Strap 1
Nylon, 22mm, titanium buckle, red Thorn emblem stitching

Weight

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

Prices

VariantConfigurationTypePriceUSDAs ofSource
All—Street219 USD$2192026-10-24link

About this entry

87% of key specs known. Missing: hardening, crown.

Titanium GMT diver. Brand specs: Seiko NH34 automatic with GMT, "Grade T2" titanium case and buckle (taken as Grade 2), domed sapphire with inner AR coating, 120-click bidirectional ceramic bezel with a fully lumed scale (24-hour per the photos), red GMT hand, nylon strap with red emblem stitching, 200m, 42mm, 51.7mm lug-to-lug, 13.8mm including the crystal, 22mm band, 70g (what was weighed is not stated). Crown and caseback are not described, and the lume material is not named. The photos show a black dial with a date at 3. Price 19 (crossed-out 59); sold out on 2026-10-25. First listed on Thorn's store in October 2025.

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

Sources