Grand Seiko Heritage SBGA413 vs Tudor Black Bay 58 79030N
Specifications
Marked rows differ| Case | ||
| Case diameter | 40 mm | 39 mm |
|---|---|---|
| Thickness | 12.8 mm | 11.9 mm |
| Lug-to-lug | 47 mm | — |
| Water resistance | 100 m | 200 m |
| Movement | ||
| Movement | Spring Drive (automatic) | Automatic (self-winding) |
| Caliber | 9R65 | Tudor MT5402 |
| Price | ||
| Launch MSRP | $7,200 | $3,575 |
| Details | ||
| Accuracy | ±15 seconds per month (±1 second per day) | — |
| Bezel | — | Uni-directional rotating dive bezel with black anodized aluminum insert and gilded 60-minute dive scale |
| Bracelet | High-Intensity Titanium with folding clasp | Satin-finished steel riveted 3-link bracelet (leather and fabric straps also offered) |
| Case material | High-Intensity Titanium | Stainless steel |
| Chronometer cosc | — | true |
| Complications | Date window at 3 o'clock; power reserve indicator | — |
| Crystal | Box-shaped sapphire crystal | Sapphire |
| Crystal ar coating | Internal anti-reflective coating on box-shaped sapphire | — |
| Dial color | Soft pink | Black |
| Frequency vph | — | 28800 |
| Jewels | — | 27 |
| Limited edition | false | — |
| Lug width mm | — | 20 |
| Lume | — | Luminescent hands and gilt-toned hour markers |
| Movement jewels | 30 | — |
| Power reserve hours | 72 | 70 |
Sources
Verified · 7 referencesEvery spec on this page was independently checked against the sources below before publishing.