We are pleased to announce that the Grand Seiko Flagship Boutique New York at 540 Madison Avenue has reopened its doors with a dedicated pop-up space.
We are pleased to announce that the Grand Seiko Flagship Boutique New York at 540 Madison Avenue has reopened its doors with a dedicated pop-up space.
Representing a novel interpretation of the iconic Mt. Iwate pattern, the dial of the SLGH027 captures the grandeur of the mountainscape from a fresh perspective, rendered in a serene light-blue hue that reflects the clarity of the surrounding air and water. Limited to just 1,200 pieces, this exclusive timepiece is defined by Grand Seiko’s enduring commitment to craftsmanship and innovation.
Crafted in the Evolution 9 Style, the case blends Zaratsu polishing with delicate hairline finishes for a refined aesthetic. Ever-Brilliant Steel enhances its durability and luminous finish, while bold indexes and powerful hands ensure exceptional legibility.
At its heart, the high-beat Caliber 9SA5 delivers precision with a frequency of 36,000 vibrations per hour and an 80-hour power reserve. Its advanced Dual Impulse Escapement and twin-barrel design maximize efficiency, while the movement’s finishing, inspired by the gentle flow of the Shizukuishi River, merges technical mastery with artistic refinement.
Designed in the Evolution 9 Style, the SLGH027 refines Grand Seiko’s ideals of beauty, legibility, and comfort. Its case blends distortion-free Zaratsu polishing with delicate hairline finishes for a soft glow, while bold, grooved indexes and powerful hands enhance readability.
Inspired by Mt. Iwate, a symbol of Grand Seiko’s mechanical watchmaking legacy, this timepiece features a newly reinterpreted light-blue dial. The refined texture reimagines the Mt. Iwate pattern first introduced in 2006, capturing the mountain’s peaks from above. Its crisp hue reflects the clarity of the air and water surrounding the summit, blending tradition with innovation in every detail.
The case and bracelet are crafted from Ever-Brilliant Steel, a highly corrosion-resistant alloy with a PREN value 1.7 times higher than most high-end watch steels.
The exceptional Caliber 9SA5 is a high-beat movement operating at 36,000 vibrations per hour with an impressive 80-hour power reserve. Its Dual Impulse Escapement and twin-barrel design enhance efficiency, while the finely finished surfaces echo the rippling waves of the Shizukuishi River, seamlessly blending technical mastery with artistic elegance.
Free 2-3 Day Shipping
2-Week Returns & Exchanges
Exclusive 6-Year Warranty
Customer Support
Free shipping is 2-3 business days via Fed Ex Signature Required. Orders placed before 2 pm ET are generally processed and shipped on the same business day, and orders placed after 2 pm ship the following business day. Orders are processed Monday – Friday, and orders placed on Holidays will be processed the following business day. Next Day Service can be purchased for $50 and includes Saturday Delivery when applicable. Please see TERMS for more.
Products may be returned to Grand Seiko Boutique Online within 14 days of the delivery date. Option for a return and refund or exchange is possible when the watch is returned in new, unworn condition, with all original contents included in the package. Upon receiving your return, Grand Seiko will verify the condition of the watch. If there are any missing items, damage, or wear found, you may be subject to fees accordingly. Please be sure to remove any jewelry or other watches before trying on the watch to avoid damage. Please do not size the watch if you return it as it will not be considered new. Please contact the Grand Seiko Boutique Online team HERE to initiate a return. Please see the TERMS for more.
Warranty – All Grand Seiko watches come with a 5-year international warranty. Grand Seiko Boutiques and Grand Seiko Boutique Online provide an additional 1-year warranty at no additional charge for a total of 6 years coverage under the limited warranty. Please see the TERMS for more.
Email, Phone, and Live chat info:
Scheduled hours of operation are Mon-Fri 9am-6pm. However, Grand Seiko Boutique teams may be able to assist at other times depending on availability.
Email: boutique.online@grand-seiko.us.com
Phone: 888-300-8463
