Oak & Oscar · Microbrand · United States
Oak & Oscar Jackson Big Eye
- Eterna Caliber 3907M
- 40 mm × 14.5 mm
- Sapphire crystal
- 50 m water resistance
Where to buy
- Oak & OscarWorldwide
Movement
- Caliber
- Eterna Caliber 3907M
- Type
- Hand-wound
- Tier
- Upper
- Complications
- Small seconds, Chronograph
- Frequency
- 28,800 bph
- Power reserve
- 60 h
- Hacking
- —
- Accuracy (factory)
- —
Case
- Diameter
- 40 mm
- Lug to lug
- 46.4 mm
- Thickness
- 14.5 mm
- Lug width
- 20 mm
- Material
- Steel
- Hardening
- —
- Water resistance
- 50 m
- Crown
- —
- Case back
- Display, screw-down
- Bezel
- —
Crystal & dial
- Crystal
- Sapphire
- Shape
- Double-domed
- Anti-reflective
- Yes (side not stated)
- Lume
- Super-LumiNova BGW9 (grooves of the applied baton indices)
Bracelet
- Bracelet
- Not offered
Straps
- Strap 1
- Leather, Tapered 20mm brown Horween leather strap with signed buckle
- Strap 2
- Leather, Tapered 20mm orange Horween leather rally strap with signed buckle, included
Weight
- Head only
- —
- On bracelet
- —
- On strap
- —
Prices
| Variant | Configuration | Type | Price | USD | As of | Source |
|---|---|---|---|---|---|---|
| All | two Horween leather straps | Msrp | 3,150 USD | $3,150 | 2026-10-24 | link |
About this entry
80% of key specs known. Missing: weight, hardening, crown.
A no-date, "big eye" version of the Jackson: the 30-minute/hour register at 3 is enlarged and the date removed, so it uses the Eterna EMC 3907M instead of the Jackson's 3916M (manual wind, column wheel, flyback, the brand quotes 60h, 25 jewels, 4 Hz) and is recorded as its own model. Brand specs: steel case of 40mm, 14.0mm case height and 14.5mm at the top of the domed crystal (14.5mm recorded), 46.4mm lug-to-lug, 20mm lugs, 50m, double-domed sapphire with anti-reflective coating (side not stated), light grey wrapped tachymeter scale, brushed baton indices with BGW9; orange accents on the minute track. Fratello: screw-in sapphire display caseback, the same footprint as the Jackson. Launched June 2021, limited to 50, $3,150 with two Horween straps; the brand says it sold out in nine minutes. Hand-assembled, tested and regulated in Chicago. No weight published.
Last verified: 2026-10-25. Edit or correct this entry.
Sources
- Oak & Oscar, The Jackson Big Eye product page (specifications) accessed 2026-10-25
- Oak & Oscar, The Jackson Big Eye feature page accessed 2026-10-25
- Fratello, Something Different, the Oak & Oscar Jackson Big Eye Chronograph (June 2021) accessed 2026-10-25