Thorn · Factory brand · China
Thorn T0001
- Seiko VD78A
- 37 mm × 9.5 mm
- Sapphire crystal
- 30 m water resistance
Where to buy
Movement
- Caliber
- Seiko VD78A
- Type
- Quartz
- Tier
- Entry
- Complications
- Small seconds
- Frequency
- n/a
- Power reserve
- n/a
- Hacking
- n/a
- Accuracy (factory)
- -20 / +20 s/month
Case
- Diameter
- 37 mm
- Lug to lug
- 44.6 mm
- Thickness
- 9.5 mm
- Lug width
- 18 mm
- Material
- Steel (316L)
- Hardening
- —
- Water resistance
- 30 m
- Crown
- Push/pull
- Case back
- —
- Bezel
- —
Crystal & dial
- Crystal
- Sapphire
- Shape
- Domed
- Anti-reflective
- —
- Lume
- C3 Super-LumiNova (green)
Bracelet
- Bracelet
- —
Weight
- Head only
- —
- On bracelet
- —
- On strap
- —
Prices
Variants
| Name | Dial | Configuration |
|---|---|---|
| Steel | white sector dial | — |
| Rose Gold | white sector dial | rose gold coated case |
About this entry
73% of key specs known. Missing: weight, hardening, AR coating, bracelet offered.
Round small-seconds quartz dress watch with a sector dial. Thorn's title and spec give the model as T0001; its SKUs say T001. Brand specs: Japan VD78 quartz with small seconds, 316L case (steel, or rose gold coated), 316L caseback, domed sapphire crystal, C3 green lume, push-in crown, 30m, 37mm without crown, 44.6mm lug-to-lug, 9.5mm thick, 18mm band width. The rose gold version is $97.01 (crossed-out $109), steel $88.11 (crossed-out $99). Dial colours read from photos. Strap, AR coating and weight are not stated; the photos show tan leather straps. First listed on Thorn's store in September 2024.
Last verified: 2026-10-25. Edit or correct this entry.
Sources
- Thorn Watch Official Store, 37mm VD78 Quartz Dress Watch T0001 accessed 2026-10-25