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Pick any two models to see their specs side by side. Rows that differ are highlighted.

Formex Essence ThirtyNine black dial on steel bracelet, front view

Formex

Essence ThirtyNine
Premium · $1,300+
Baltic Aquascaphe MK2 with blue dial and sapphire dive bezel, front view

Baltic

Aquascaphe
Mid-range · $600–900
Brand
Formex
Baltic
Category
Sports
Dive
Diameter
39 mm
39 mm
Lug-to-lug
45 mm
47 mm
Thickness
10 mm
13 mm
Lug width
20 mm
20 mm
Water resistance
100 m
200 m
Crystal
sapphire
double-dome sapphire with internal AR coating
Type
Automatic
Automatic
Caliber
Sellita SW200-1 →
Miyota 9039 →
Power reserve
38 h
42 h
Jewels
26
24
Lume
BGW9 Super-LumiNova
Super-LumiNova C1
Strap / bracelet
stainless steel bracelet or leather strap (quick-release)
rubber FKM strap or steel beads-of-rice bracelet
Released
2020
2018
Price guide
$1,300+
$600–900

Highlighted rows differ. For dimensions and reserve, the larger figure is shown in accent — larger isn't always better; choose by what fits your wrist and use.

Sources

Specifications compiled from official brand product pages and verified against independent retailer listings. Dimensions are manufacturer-stated. Prices are shown as broad bands, not exact figures. Last reviewed June 2026.