It features a simple coloring and a mature design.🌟

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Aqua Terra appears as a new model for Seamaster✨⌚

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A model featuring a subtle shiny sapphire bezel from the popular ACT Line series has been released, based on an elegant and sporty design.

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The popular GW-M5610 series inherits the design of the DW-5000C and has evolved with tough solar and multi-band 6!

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SEIKO PROSPEX Divers' first mechanical GMT movement Cal.6R54✨

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Blog : アストロン

【2026年4月新作】セイコーアストロン HAC002J｜ネイビー×純チタン×Cal.7B62 5局電波ソーラー、ダイヤシールド×スマートアジャスターで毎日使えるNEXTER

[New product in April 2026] Seiko Astron HAC002J｜Navy x pure titanium x Cal.7B62 5-station radio solar, diamond shield x smart adjuster for everyday use NEXTER

May 19, 2026

Seiko Astron NEXTER HAC002J will be released in April 2026. Navy dial x pure titanium (diamond shield) x Cal.7B62 Equipped with 5 radio solar panels. The buyer thoroughly explains how...

【2026年新作】セイコーアストロンネクスター HAD002J｜5カ国電波×デュアルタイム×レトログラード曜日、上位機能を纏ったネイビービジネスウオッチ

[New in 2026] Seiko Astron Nexstar HAD002J｜Radio waves from 5 countries x dual time x retrograde day of the week, navy business watch with high-end functions

April 07, 2026

Seiko Astron Nexstar HAD002J is scheduled to be released in April 2026. Equipped with Cal.8B63, it supports radio wave reception in 5 countries: Japan, China, America, Germany, and the UK....

【2026年新作】セイコーアストロンネクスター HAD001J｜電波ソーラー×チタン×25タイムゾーン、本格派ビジネスウオッチの決定版

[New in 2026] Seiko Astron Nexstar HAD001J | Radio-controlled solar x titanium x 25 time zones, the definitive edition of an authentic business watch

March 30, 2026

Seiko Astron Nexstar's new HAD001J will be released in April 2026. Equipped with Cal.8B92 radio solar and supports 25 time zones around the world. It has a pure titanium case,...

【国内わずか500本】セイコーアストロン SBXC187｜漆黒の宇宙に銀河が渦巻く、"Starry Sky" 2026 限定モデル

[Only 500 pieces in Japan] Seiko Astron SBXC187 | "Starry Sky" 2026 limited model, where galaxies swirl in the jet-black universe

March 08, 2026

Seiko Astron Nexstar "Starry Sky" 2026 limited model SBXC187 is now available. One of only 1,500 pieces in the world and 500 pieces in Japan, it has an overwhelming presence...

セイコーアストロン SBXY107 | 渦巻く銀河のスパイラルパターン！国内限定700本の2026年モデル

Seiko Astron SBXY107 | Swirling galaxy spiral pattern! 2026 model limited to 700 pieces in Japan

January 23, 2026

Seiko Astron SBXY107 is a limited edition model of 700 pieces in Japan from the "Starry Sky" series, which has a motif of a swirling galaxy. The new embossed spiral...

【セイコー創業145周年記念】アストロン SBXC186 限定1,450本ブラック×ゴールドの特別仕様 GPS衛星電波ソーラー純チタン製

[Seiko 145th Anniversary] Astron SBXC186 Limited to 1,450 pieces Black x Gold Special Edition GPS Satellite Radio Solar Made of Pure Titanium

January 19, 2026

The Seiko Astron SBXC186 is a GPS satellite radio solar model with a limited edition of 1,450 pieces worldwide (600 pieces in Japan) commemorating the 145th anniversary of the company's...

「宇宙基準の精度を腕元に。 SEIKO ASTRON SBXC187 ― GPSソーラーの最前線」

"Space standard accuracy at your fingertips. SEIKO ASTRON SBXC187 - The forefront of GPS solar"

January 06, 2026

Seiko Astron SBXC187 is a model limited to 1,500 pieces worldwide and equipped with GPS satellite radio solar (Caliber 5X83). A dynamic titanium design with an integrated case and bracelet,...

銀河を腕元に、セイコーアストロンネクスター SBXY105【Starry Sky 2026限定・ソーラー電波修正（標準電波受信）・数量限定700本】

With the galaxy at your fingertips, Seiko Astron Nexstar SBXY105 [Starry Sky 2026 limited, solar radio wave correction (standard radio wave reception), limited quantity of 700 pieces]

January 05, 2026

The Seiko Astron SBXY105 is a domestically limited edition of 700 pieces from the "Starry Sky" series, which features a swirling galaxy as its motif. The spiral pattern and dark...

🚀【限定1500個】セイコーアストロン SBXD037✨近未来デザインのNexter 2025🌌

🚀[Limited to 1500 pieces] Seiko Astron SBXD037✨Next 2025 of near-future design🌌

December 15, 2025

Seiko Astron SBXD037 is a "Nexter 2025 Limited Edition" model with a spaceship interior theme, limited to 1,500 pieces worldwide. The three-way striped dial and one-tone silver tone create a...

【爽やかミントブルー】セイコーアストロン SBXY103✨薄型Nexterの個性派モデル⌚

[Refreshing mint blue] Seiko Astron SBXY103✨Unique thin Nexter model⌚

November 17, 2025

Seiko Astron SBXD037 is a "Nexter 2025 Limited Edition" model with a spaceship interior theme, limited to 1,500 pieces worldwide. The three-way striped dial and one-tone silver tone create a...

【知的なブルーグレー】セイコーアストロン SBXY101✨薄型Nexterの洗練美⌚

[Intellectual Blue Gray] Seiko Astron SBXY101✨The sophistication of the thin Nexter⌚

November 17, 2025

Seiko Astron SBXY101 is a thin and compact Nexter series with a case diameter of 36 mm and a thickness of 8.7 mm. The intellectual blue-gray dial with a crystal...

✨薄くて軽い！アストロン Nexter SBXY099⌚ビジネスに最適なコンパクトモデル💼

✨Thin and light! Astron Nexter SBXY099⌚Compact model ideal for business💼

November 17, 2025

Seiko Astron SBXY099 is a thin and compact Nexter series with a case diameter of 36 mm and a thickness of 8.7 mm. A gray silver dial with a crystal...