Seiko
Seiko 5 Sports SNXS Blue Dial Automatic SRPL55K1 37.40 mm 100M
A 37.40 mm stainless-steel automatic watch with blue dial, Hardlex crystal, day-date display and 100 m water resistance
- StyleSports
- MaterialStainless Steel
- MovementAutomatic
- ShapeRound
- Dial ColorBlue
- Dial MarkersIndex
- Automatic movement powers the watch without a battery
- 100 m water resistance suits swimming and snorkelling
- 40 mm case diameter fits a wide range of wrists
- Hardlex crystal protects the dial from everyday scratches
- Day and date display keeps both calendar details visible
What this watch is and who it suits
The Seiko 5 Sports SNXS is an automatic sports watch with a 37.40 mm stainless steel case and a matching bracelet. A blue dial with index markers gives a clean analog display that includes a day and date window. It is built for daily wear and recreational swimming thanks to 100 metre water resistance. The Hardlex crystal protects the dial from everyday knocks.
What to check before ordering
Confirm that a 37.40 mm case diameter and 12.50 mm thickness fit your wrist and sleeve clearance. The deployment clasp fastens the stainless steel bracelet without a traditional tang buckle. A pull-out crown sets the time, day and date; ensure you are comfortable winding and adjusting an automatic movement manually. The watch uses a fixed bezel rather than a rotating timing bezel.
Behaviour during sustained wear
Automatic movement runs continuously while worn, storing energy in the mainspring for off-wrist periods. Hardlex crystal resists scratches better than standard mineral glass during long-term use. Stainless steel case and bracelet maintain finish through daily contact with moisture and sweat. 100 metre water resistance handles repeated pool sessions and showering without pressure-related ingress.
Highlights
- Automatic movement powers the watch without a battery
- 100 m water resistance suits swimming and snorkelling
- 40 mm case diameter fits a wide range of wrists
- Hardlex crystal protects the dial from everyday scratches
- Day and date display keeps both calendar details visible
Specifications
| Brand | Seiko |
|---|---|
| Style | Sports |
| Material | Stainless Steel |
| Movement | Automatic |
| Shape | Round |
| Dial Color | Blue |
| Dial Markers | Index |
| Display | Analog |
| Date | Date |
| Band Material | Stainless Steel |
| Fastener | Deployment |
| Gender | Male |
| Condition | New |
| Bezel | Fixed Bezel |
| Case Back | Pull Out Crown |
| Case Material | Stainless Steel |
| Case Thickness | 37.40 mm |
| Crystal | Hardlex Crystal |
| Water-Resistant | 100m |
| Special Features | Hardlex Crystal,Deployment Clasp,Day and Date Display,Pull Out Crown |
Questions about this item
What comes in the box with the SRPL55K1 and what must be purchased separately?
The watch ships as a complete unit with its stainless steel bracelet and Hardlex crystal fitted; no extra straps or tools are included.
Should I choose the 37.40 mm case or a larger size for daily wear?
Only the 37.40 mm case is offered in this SNXS reference, so the decision is simply whether that diameter suits your wrist.
What does the 100 m water resistance mean when I am actually wearing the watch?
It is rated for swimming and surface water sports, but not for scuba diving or high-velocity water impact.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
