Rotary Seamatic 300 GMT 42mm automatic watch, black dial
GB04378/95
£329
Price at Goldsmiths, checked 28 October 2026. Prices can change: Goldsmiths' page has the final word.
Goldsmiths has 2 versions of the Seamatic 300 GMT in stock: compare them.
42mmAutomatic300 m water resistantStainless steelMen's
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Specifications
| Brand | Rotary |
|---|---|
| Model | Seamatic 300 GMT |
| Reference | GB04378/95 |
| Gender | Men's |
| Style | — |
| Case size | 42mm |
|---|---|
| Lug to lug | — |
| Case material | Stainless steel |
| Bezel | Red and blue 24-hour, rotates both ways |
| Dial colour | Black |
| Strap | Stainless steel |
Will 42mm suit your wrist? Check your size
| Movement | Automatic |
|---|---|
| Calibre | — |
| Power reserve | — |
| Water resistance | 300 m |
| Crystal | Sapphire |
| Thickness | — |
| Date | — |
| Guarantee | Rotary 2 Years Guarantee |
A dash means neither Goldsmiths nor Rotary states it on the pages we read, so it's left blank rather than guessed.
Description
Delivery & returns
Other versions of the Rotary Seamatic 300 GMT
The same watch in 2 versions at Goldsmiths. Prices are Goldsmiths' own, checked daily.
| Reference | Price |
|---|---|
| GB04378/95 This one | £329 |
| RGB10005/04 | £329 |