Studio Underd0g · Microbrand · United Kingdom
Studio Underd0g 01SERIES (Gen3)
- Seagull ST1901
- 38.5 mm × 12.9 mm
- Sapphire crystal
- 50 m water resistance
Where to buy
- Studio Underd0g (Watermel0n)Worldwide
- Studio Underd0g (Desert Sky)Worldwide
- Studio Underd0g (Go0fy Panda)Worldwide
- Studio Underd0g (Mint Ch0c Chip)Worldwide
Movement
- Caliber
- Seagull ST1901
- Type
- Hand-wound
- Tier
- Mid
- Complications
- Small seconds, Chronograph
- Frequency
- 21,600 bph
- Power reserve
- —
- Hacking
- —
- Accuracy (factory)
- —
- Brand regulation
- -10 / +15 s/day
- Modifications
- Bespoke ST-1901B made exclusively for Studio Underd0g: black main plate, swan-neck regulator
Case
- Diameter
- 38.5 mm
- Lug to lug
- 44.5 mm
- Thickness
- 12.9 mm
- Lug width
- 20 mm
- Material
- Steel (316L)
- Hardening
- —
- Water resistance
- 50 m
- Crown
- —
- Case back
- Display, screw-down
- Bezel
- —
Crystal & dial
- Crystal
- Sapphire
- Shape
- Double-domed
- Anti-reflective
- —
- Lume
- Super-LumiNova C3
Bracelet
- Bracelet
- Not offered
Straps
- Strap 1
- Leather, quick release, Italian Epsom leather by The Strap Tailor, 20mm tapering to 16mm, signed steel pin buckle
Weight
- Head only
- —
- On bracelet
- —
- On strap
- —
Prices
Variants
| Name | Dial |
|---|---|
| Watermel0n | — |
| Desert Sky | — |
| Go0fy Panda | panda (white with black sub-dials) |
| Mint Ch0c Chip | — |
About this entry
73% of key specs known. Missing: weight, hardening, AR coating, crown.
Third generation (launched November 2024), hand-wound bicompax chronograph with tachymeter. Movement is the bespoke Seagull ST-1901B (21,600 vph; brand-stated power reserve 50h with the chronograph off, 45h running), regulated in Great Britain to -10/+15 s/day (positions not stated). Case slimmed to 12.9mm with crystal (10.1mm without, per Fratello) from 13.6mm on Gen2; 3-part case, 5 ATM. Double-domed sapphire front and screw-in sapphire display back per Fratello; AR coating and crown type not stated. Ships on a leather strap only; the brand sells an optional stainless steel Milanese mesh strap with buckle (20-16mm, quick-release, GBP 75) for the 01/03SERIES, so bracelet is recorded as not offered. Launch pricing was GBP 550 / USD 650; store price on 2026-10-20 is GBP 600 for all four core colourways. No weight published or found.
Last verified: 2026-10-20. Edit or correct this entry.
Sources
- Studio Underd0g 01SERIES Go0fy Panda (Gen3) product page and specifications accessed 2026-10-20
- Studio Underd0g store catalogue (variant prices) accessed 2026-10-20
- Fratello, New third-generation Studio Underd0g 01Series (crystal, caseback) accessed 2026-10-20



