Bond Seamaster (Brosnan)

The blue Seamaster 2531.80 is a 41 mm steel automatic diving watch from the first generation of the Diver 300M family. It has a date, a blue timing ring and a matching face covered in small waves. Its open-centred hands and scalloped ring make it quite different from the older, plainer Seamaster 300 despite the similar name.

This was the automatic blue Seamaster associated with Pierce Brosnan's later James Bond films, beginning with Tomorrow Never Dies. His first Bond film, GoldenEye, used the similar-looking quartz reference 2541.80 instead. The difference is inside: the 2531.80 winds its spring from wrist movement rather than running from a battery. Omega's archive lists calibres 1109 and 1120 across its production.

The face explains most of the remaining watch. A large triangle marks twelve, round luminous plots mark most other hours, and the date occupies three. The openings in the hour and minute hands leave the blue waves visible underneath. Around them, the aluminium insert carries a sixty-minute scale. Aligning its starting mark with the minute hand allows elapsed time to be read without stopping the watch.

The extra fitting at ten is a helium-release valve. It addresses a specialised problem in saturation diving: gas can enter a watch during a prolonged stay in a pressurised environment and must be allowed out during decompression. It is not another winding crown. Its position gives this Seamaster an identifiable outline even when the dial is out of view.

Later generations moved towards larger cases, ceramic surfaces and different movements. The 2531.80 retains the older combination of fine waves, an aluminium ring and a steel bracelet made from alternating rows of narrow and broad elements. The blue is spread across two surfaces, but the small wave pattern gives the dial its own texture inside the smooth outer scale.