Colomer & Sons · Microbrand · Spain

Colomer & Sons Cosmos

Limited · limited to 20 · Chronograph

From $3,648
  • ETA Valjoux 7753
  • 42 mm × 17 mm
  • Sapphire crystal
  • 100 m water resistance

Where to buy

Movement

Type
Automatic
Tier
Upper
Complications
Small seconds, Chronograph, Date
Frequency
28,800 bph
Power reserve
48 h
Hacking
Yes
Accuracy (factory)
—

Case

Diameter
42 mm
Lug to lug
—
Thickness
17 mm
Lug width
20 mm
Material
Steel
Hardening
—
Water resistance
100 m
Crown
Screw-down
Case back
Display
Bezel
—

Crystal & dial

Crystal
Sapphire
Shape
—
Anti-reflective
—
Lume
Luminova on hands, indices and solar-system elements (grade not stated)

Bracelet

Bracelet
Not offered

Straps

Strap 1
Leather, quick release, Blue alligator-pattern ('cocodrilo') strap with safety clasp and easy release

Weight

Head only
—
On bracelet
—
On strap
—
Stated weight (basis not given)
85 g

Prices

VariantConfigurationTypePriceUSDAs ofSource
All—Msrp3,250 EURincl. VAT$3,6482026-10-24link
All—Sale2,600 EURincl. VAT$2,9192026-10-24link

About this entry

80% of key specs known. Missing: lug-to-lug, hardening, AR coating.

Brand spec list: ETA Valjoux 7753 automatic chronograph (27 jewels, 28,800 vph), Luminova on hands, indices and solar-system elements, 42mm case, chronograph minutes at 3 and small seconds at 9, screw-down crown, display caseback, sapphire crystal, blue "cocodrilo" strap with safety clasp and easy release, 10 ATM, 85 g, height 17mm, 20mm strap width, limited to 20 pieces. Case material isn't given in the spec list; steel is from the description ("acero") and the photos. Whether the strap is genuine alligator isn't stated. The 17mm "altura" is recorded as total thickness; the brand doesn't say whether it includes the crystal.

Last verified: 2026-10-31. Edit or correct this entry.

Sources