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Zelos Swordfish 40 SS Black Sand diver with gilt accents, front view

Zelos

Swordfish 40
Entry-level · Under $600
Baltic Aquascaphe MK2 with blue dial and sapphire dive bezel, front view

Baltic

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