Certina DS Action 40mm, Titanium, Blue Dial

Ref. C0484104435100

The DS Action sits within a Certina line built around the Double Security concept — a reinforced case back, multiple O-ring gaskets at the crown and stem, and a screw-down crown flanked by protective guards. The result is a watch rated to 300 metres that still comes in at 11.2mm thick, which is genuinely unusual for dive-rated kit and means it disappears under a cuff rather than forcing a choice between the watch and a sleeve. Titanium does two things here simultaneously: it keeps the weight down while the solid-link bracelet reads as serious rather than lightweight, and it plays against the light blue sunray dial in a way that shifts between silver and near-grey depending on the angle. The ETA F06.412 movement carries Certina's Precidrive designation — a step up from standard quartz accuracy, quoted at plus or minus ten seconds per year — and includes an end-of-life indicator that gives advance warning of a dying battery rather than the seconds hand simply stopping one day without explanation.

Reference

C0484104435100

Brand

Certina

Case size

40mm

Case thickness

11.2mm

Lug width

20mm

Case material

Titanium

Case shape

Round

Dial

Blue

Crystal

Sapphire

Movement

Quartz

Calibre

ETA F06.412

Functions

Date

Water resistance

300m

Bracelet / strap

Titanium bracelet

Strap colour

Silver

Clasp

Folding clasp

Lume

Super-LumiNova

Retailer

Goldsmiths