

Related references — same collection
Shared specifications help discovery; these links do not assert a predecessor or successor relationship.
Compare specifications
| Specification | ALT1-ZT/51 | ALT1-ZT | ALT1B | ALT1Bbr | ALT1WTBK |
|---|---|---|---|---|---|
| Case diameter | 43mm | 43mm | 43mm | 43mm | 43mm |
| Case material | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel | Stainless Steel |
| Water resistance | 100m | 100m | 100m | 100m | 100m |
| Caliber | BE-54AE | BE-54AE | BE-54AE | BE-54AE | BE-54AE |
Sources & record notes
Displayed specifications follow the most complete source record. Other source records are retained below; conflicting values are not silently combined. WatchBase.
- WatchBase ↗ · 2026-09-22 03:15:54 JST
WatchBase · Bremont ALT1-ZT/51
Original collection: ALT1
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Corrections and data limitations


