Eterna 1497K
Mechanical
Self-winding (rotor)
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Notes
smallest automatic with sweep second
Golden Heart: 23K-gold rotor-weight 1.3g, rhodium plated together whith bearing sector
strange: indirectly driven minute allows a relatively big balance (D=7.3mm) and low profile
Dimensions
| Width | 15.3 lignes (34.51 mm) |
|---|---|
| Height | 4.8 mm |
| Stem height | 1.1 mm |
| Hands (H × M × S) | 1.2 × 0.7 × 0.21 mm |
Technical data
| Beat rate | 21,600 vph (3 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 42 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 6.5 mm |
| Thickness | 0.08 mm |
| Length | — |
| Barrel diameter | 1.3 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Eterna |
| Year | — |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions