Shunbun
The verdant bloom of the spring equinox marks the beginning of Shunbun in Japan, captured in the vibrant green dial of Japan Seasons model SBGJ251. Subtle rose gold accents are used to highlight the GMT function of Hi-Beat Caliber 9S86, which harnesses MEMS technology to achieve high accuracy and precision.
MECHANICAL HI-BEAT 36000 GMT
Caliber 9S86
Caliber 9S86 is a high frequencymovement that maintains a 55-hour power reserve whilerunning at a beat rate of 36,000bph. The Hi-Beat GMTmovement uses MEMS technology to manufacture preciselightweight parts and newSpronalloys for the mainspringand hairspring.
The Grand Seiko GMT watch celebrates ever-changing seasons.
In Japan, each of the four seasons of the year is experienced in six phases and all have their own distinct characters. The subtle changes from one to the next bring the nature of time ever closer to our senses. The GMT watch celebrates one of the year’s 24 seasonal phases or sekki.
Shunbun. The spring equinox finally arrives and everyone senses that spring is truly in the air. The wild cherry trees in the mountains, long covered with frost, start to bloom and their sakura blossom decorates the slopes. The green dial and rose gold tone accents perfectly capture the arrival of spring.
| Case | Stainless Steel |
| Case Size | 39mm |
| Movement | Automatic |
| Dial | Green |
| Functions | GMT, Date |
| Power Reserve | 55 Hours |
| Water Resistance | Splash Resistant |
| Bracelet | Stainless Steel |
| Warranty | 5 Years |
Shipping
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Complimentary Two-Day Shipping on purchases over $100. Order processing can take up to 3-5 business days.
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We currently only ship domestically within the United States. Orders ship Monday through Thursday, excluding public holidays, via standard overnight service with signature required, per our insurance policy. Shipping delivery must be confirmed by the recipient in order to ship out the order. If a package is undeliverable and returned to us, additional shipping charges may apply for reshipment.
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Shipping fee for watch straps and accessories is flat $35. Please note: all watch parts are FINAL SALE.
Inspection Upon Delivery
Please carefully inspect your package at the time of delivery. If the outer packaging appears damaged, opened, resealed, punctured, or otherwise tampered with, we kindly ask that you refuse delivery. Please inform the carrier that you are declining the shipment due to suspected damage or tampering.
If possible, take clear photographs of the package—showing the condition of the box, shipping label, and any visible damage or broken seals—before returning it to the carrier.
Please note that by accepting the package, you acknowledge that the outer box appears intact and untampered with at the time of delivery.
Exchanges & Store Credit
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Eligible items may be exchanged or returned for store credit within 3 business days of receipt. No refunds.
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To request an exchange or store credit, contact Customer Service at customerservice@chpremier.com or reply to your confirmation email to initiate the process.
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Items marked “Final Sale”, including all watch parts, promotional/discounted merchandise, and financed purchases (e.g., Affirm, Shop Pay Installments), are not eligible for return, exchange, or store credit.
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Returns due to change of mind or buyer’s remorse will not be accepted.
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Merchandise must be in original, unworn condition, with the protective blue tag attached. Items showing signs of wear, alteration, or damage will not be accepted.
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A shipping and restocking fee applies to all approved returns/exchanges.
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We reserve the right to refuse any return that does not meet the above requirements.
Our online policies may differ from our in-store policies. The above terms apply only to online purchases.
Shunbun
The verdant bloom of the spring equinox marks the beginning of Shunbun in Japan, captured in the vibrant green dial of Japan Seasons model SBGJ251. Subtle rose gold accents are used to highlight the GMT function of Hi-Beat Caliber 9S86, which harnesses MEMS technology to achieve high accuracy and precision.
MECHANICAL HI-BEAT 36000 GMT
Caliber 9S86
Caliber 9S86 is a high frequencymovement that maintains a 55-hour power reserve whilerunning at a beat rate of 36,000bph. The Hi-Beat GMTmovement uses MEMS technology to manufacture preciselightweight parts and newSpronalloys for the mainspringand hairspring.
