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

Baltic Aquascaphe MK2 with blue dial and sapphire dive bezel, front view

Baltic

Aquascaphe
Mid-range · $600–900
Zelos Swordfish 40 SS Black Sand diver with gilt accents, front view

Zelos

Swordfish 40
Entry-level · Under $600
Brand
Baltic
Zelos
Category
Dive
Dive
Diameter
39 mm
40 mm
Lug-to-lug
47 mm
46 mm
Thickness
13 mm
12 mm
Lug width
20 mm
20 mm
Water resistance
200 m
200 m
Crystal
double-dome sapphire with internal AR coating
sapphire, flat with inner AR coating
Type
Automatic
Automatic
Caliber
Miyota 9039 →
Seiko NH35A →
Power reserve
42 h
41 h
Jewels
24
24
Lume
Super-LumiNova C1
Super-LumiNova C3 and BGW9
Strap / bracelet
rubber FKM strap or steel beads-of-rice bracelet
316L stainless steel bracelet, screw-pin links, female end links, flip-lock and microadjust clasp, quick-release pins
Released
2018
2020
Price guide
$600–900
Under $600

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.