SEIKO ASTRON NEXTERIntroducing a compact size model that is smaller and thinner.
SBXY103Although it is thin and compact with a case diameter of 36 mm and a thickness of 8.7 mm, it is characterized by an edged polygonal titanium bezel, solid case molding, and an advanced form of integrated case and band.
Refreshing and trendymint blue dialAdopts a detailed crystal box pattern. Nexter Following the design code of metal polygonal edges, it has been updated to a modern, hard-feeling model with a concentrated shine.
The multi-faceted index and three-faced hour and minute hands create a luxurious design unique to the compact size.
Equipped with the solar radio caliber "7B62", the slim silhouette from the case to the band and clasp gives it a smart impression.
The refreshing mint blue gives a refreshing feeling to your hands.
Trendy colors create individuality. Compact and sophisticated appearance.
Edged polygonal bezel. Advanced and modern form.
Thin design with a thickness of 8.7mm. A flowing silhouette with integrated case/band.
Mint blue dial with detailed crystal box pattern. A refreshing and luxurious finish.
■ Main features
- Compact & thin design:Case diameter 36mm/thickness 8.7mm. Achieved smaller size and thinner profile than the previous model.
- Refreshing mint blue dial:Trendy colors create individuality. Suitable for a wide range of occasions, from casual to business.
- Edged polygonal bezel:Nexter Titanium bezel that follows the design code of metal polygonal edges.
- Case/band integrated form:Advanced and solid case design. A slim, flowing silhouette.
- Luxurious dial:It features multi-faceted indexes, three-faced hour and minute hands, and a detailed crystal box pattern.
- Solar radio Cal.7B62:Receives standard radio waves in 5 areas: Japan, China, America, Germany, and the UK.
- Runs for about 9 months on a full charge:Approximately 2 years with power save. Maintenance free for a long time.
- Pure titanium case (diamond shield):Lightweight and scratch resistant, approximately 30% lighter than stainless steel.
- Super clear coating:Made of sapphire glass for excellent visibility.
- Smart adjuster mechanism:Belt size can be adjusted without tools. A newly developed clasp compatible with compact 16mm wide bracelets.
- Fully automatic calendar:No date correction required until December 31, 2099.
- Metal allergy resistant:Safe for those with metal allergies.
- Made in Japan:High quality domestic model.
■Specs
| brand | SEIKO |
|---|---|
| series | ASTRON NEXTER |
| Product number | SBXY103 |
| caliber | 7B62 |
| Drive method | Solar radio wave correction |
| precision | Average monthly difference when not receiving ±15 seconds |
| Driving period | Approximately 9 months when fully charged / Approximately 2 years when power saved |
| Koku count | 6 stones |
| Function | Overcharge prevention function / Immediate start function / Power save function / Fully automatic calendar function (until December 31, 2099) / Radio wave correction function (receives standard radio waves from Japan, China, America, Germany, and the UK) / Automatic reception function / Forced reception function / Reception result display function / Time difference correction function / Hand position automatic correction function |
| case | Pure titanium (diamond shield) |
| band | Titanium (C ring type) |
| glass | Sapphire glass (super clear coating) |
| Dial color | mint blue |
| belt color | silver |
| case size | Approximately 42 x 36 x 9 mm (official: thickness 8.7 mm) / Belt width 22 mm |
| weight | Approximately 71g |
| belt around arm | Maximum approximately 18.5cm |
| waterproof | Reinforced waterproof for daily life (10 atm) |
| Anti-magnetic | Yes |
| accessories | Warranty card/special box (instruction manual is electronic) |
| Release date | November 2025 |
| Country of origin | Made in Japan |
| Guarantee | Manufacturer 3 year warranty *Nanapure is currently running a 7-year warranty campaign. |
■ The charm of the mint blue dial
The biggest feature of SBXY103 is its refreshing and trendy feel.mint blue dial. The exquisite color, which is a fusion of green and blue, changes its expression depending on the viewing angle and the way the light hits it, giving it a unique yet elegant impression.
The fresh coloring, which is not found in conventional business watches, blends in seamlessly with casual scenes as well as business scenes such as Cool Biz. The shading created by the crystal box pattern and multifaceted indexes creates a luxurious feel even though it is compact. The lightweight design weighs approximately 71g, making it less tiring even when worn for long periods of time, giving a refreshing impression.
■ Practicality of compact size
Case diameter 36mm/thickness 8.7mmIts thin and compact size allows it to fit neatly into the cuff of a business suit. While inheriting the design code of the previous Nexter model, it has been made smaller and thinner.
The edgy polygonal titanium bezel and solid case design give it a compact yet advanced presence. This is the perfect size for people with narrow wrists or those who don't like watches that are too big.
■ Convenience of solar radio waves
Equipped with caliber 7B62, it is used in Japan, China, America, Germany, and the UK.Standard radio waves in 5 areas around the worldreceived. Automatic reception function always displays accurate time.
With the solar charging system, it can last about 9 months on a full charge and about 2 years when using power save mode. The design is environmentally friendly and eliminates the need for battery replacement.
■ Excellent performance of Diamond Shield
The case uses Seiko's unique surface hardening technology."Diamond Shield"Adopts pure titanium treated with It has a surface hardness approximately 5 times that of stainless steel, protecting your watch from minor scratches caused by daily use.
Pure titanium is approximately 30% lighter than stainless steel, making it less tiring even when worn for long periods of time. It is also a material that is unlikely to cause metal allergies.
■ Recommended for these people
- Those looking for a thin and compact watch
- People who are attracted to the refreshing mint blue color
- Those who like trendy designs
- For those who want to use it for a wide range of purposes, from casual to business.
- Those looking for a lightweight watch that won't cause fatigue even when worn for long periods of time
- Those who want to experience the convenience of radio solar
- Those looking for a unique yet elegant watch
- Those who are concerned about metal allergies
- Astron brand fans
- Those looking for high quality watches made in Japan
- People with small wrists who don't like big watches
■ Buyer's comment
SBXY103 is a unique model that condenses the appeal of the Nexter series into a compact size and is colored in refreshing mint blue.
Mint blue, a fusion of green and blue, is trendy yet elegant, and has a depth that changes its expression depending on the viewing angle. The fresh coloring, which is not found in traditional business watches, is perfect for those who want to stand out from the crowd.
The exquisite size of the case, 36mm in diameter and 8.7mm in thickness, fits neatly into the cuff of a suit, giving it a smart impression. The lightweight design weighs approximately 71g, so you won't feel tired even if you wear it all day.
The shading created by the multi-faceted index and crystal box pattern creates a luxurious feel even though it is compact. It is versatile and can be used for both casual and business occasions. This is especially recommended for the spring and summer seasons, as the refreshing colors will lift your mood. by Fujimuro
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