Seiko Cocktail Time Midnight Mockingbird 40.5mm automatic watch, green dial
SSA459J1
£520
Price at Goldsmiths, checked 20 October 2026. Prices can change: Goldsmiths' page has the final word.
40.5mmAutomatic50 metres (5 bar) water resistantStainless steelMen's
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Specifications
| Brand | Seiko |
|---|---|
| Model | Cocktail Time Midnight Mockingbird |
| Reference | SSA459J1 |
| Gender | Men's |
| Style | — |
| Case size | 40.5mm |
|---|---|
| Lug to lug | — |
| Case material | Stainless steel |
| Bezel | — |
| Dial colour | Green |
| Strap | Calfskin |
Will 40.5mm suit your wrist? Check your size
| Movement | Automatic |
|---|---|
| Calibre | 4R57 |
| Power reserve | About 41 hours |
| Water resistance | 50 metres (5 bar) |
| Crystal | Box-shaped Hardlex (Seiko's hardened mineral glass) |
| Thickness | 14.4mm |
| Date | — |
| Guarantee | Seiko 3 Year Guarantee |
A dash means neither Goldsmiths nor Seiko states it on the pages we read, so it's left blank rather than guessed.