Seiko
Premier
SSA399J1
On this page you can read about Seiko model Premier SSA399J1. All the technical specifications like case material, case diameter and calibre attributes like movement type, power reserve etc. are listed here in an easy to understand tabular format. There are also images of Premier SSA399J1. At the bottom of the page you can find similar watches from Seiko.
Important facts
The Seiko Premier SSA399J1 has an automatic mechanical movement, which stores power in a mainspring, that is wound by an oscillating rotor while the watch is being worn. A mechanical watch movement is less accurate than a quartz one and requires regular servicing. It does not need a battery though and has a smoother sweeping seconds hand.
This watch has a sapphire crystal which provides a durable and clear viewing surface for the dial. This type of crystal is highly resistant to scratches and does not discolor over time. Sapphire is also resistant to most chemicals and less likely to shatter compared to other materials, making it a safer choice for the watch wearer. Thefore sapphire is a good choice for high-end wristwatches. It is of course an expensive option, compared to other materials, like plexiglass.
The case of this timepiece is made out of stainless steel which is a strong and durable material, therefore being resistant to scratches, dents, and general wear and tear. Steel is also highly resistant to corrosion and rust, but is also a hypoallergenic material, which means that it is less likely to cause skin irritation or allergic reactions. Let's not forget the versatility of steel, which makes this watch pair well with several different attires.
Technical specifications
| brand | premier |
| case back feature | display |
| case back locking | screw down |
| case diameter | 42.9 |
| case material | stainless steel |
| case thickness | 12 |
| clasp feature | push button release |
| clasp type | folding |
| front crystal material | sapphire |
| gender | male |
| line name | mechanical |
| lug to lug | 48.4 |
| strap material | calf leather |
| water resistance bar | 10 |
Calibre specifications
| calibre no | 4 r71 |
| calibre type | mechanical |
| hackable | |
| jewel count | 24 |
| power reserve | 41h |
| winding mechanism | manual |
| winding mechanism | automatic |
