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| Specification | Details |
|---|---|
| Brand | Tissot |
| Collection | T-Classic |
| Model | T-One Automatic / T-One Gent Automatic |
| Reference | T038.430.16.057.00 |
| Alternative reference | T0384301605700 |
| Type | Men's mechanical automatic |
| Swiss Made | Yes |
| Launch era | Around 2009–2011 |
| Case material | Stainless steel |
| Case shape | Round |
| Case diameter | 38.5 mm |
| Lug-to-lug | Approximately 37 mm |
| Case thickness | 9.8 mm |
| Weight | Approximately 62 g |
| Crystal | Scratch-resistant sapphire crystal |
| Caseback | Exhibition/transparent |
| Dial | Black |
| Strap | Black leather |
| Strap width | 19 mm |
| Clasp | Depending on production/retailer specification, buckle or folding clasp |
| Water resistance | 50 m / 5 ATM |
| Movement | ETA 2834-2 |
| Winding | Automatic/self-winding |
| Jewels | 25 |
| Beat rate | 28,800 vibrations/hour (4 Hz) |
| Power reserve | Approximately 38–40 hours |
| Functions | Hours, minutes, seconds, day and date |
The original Tissot-era catalog data is particularly useful here: it lists the case as 38.5 × 37 mm, rather than simply calling it 37 or 39 mm. A current authorized retailer also gives 38.5 mm and 37 mm lug-to-lug.
The watch uses the ETA 2834-2, a well-known Swiss automatic movement. It is essentially a day-date version of the ETA 28xx family.
Key specifications:
The movement is a fairly conventional, serviceable Swiss automatic rather than an exotic or highly decorated caliber. The 4-Hz frequency gives the seconds hand a relatively smooth sweep.
The 9.8 mm thickness makes it reasonably slim for an automatic day-date watch, so it should work well as a dress/casual everyday watch.
It is rated at 50 m / 5 ATM. This is suitable for:
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