Grand Seiko SBGH337 – Nova Purple Hi‑Beat (2024)

Description

The Grand Seiko Nova Purple Hi Beat SBGH337 is part of the Watches of Switzerland exclusive 62GS collection. Its 40 mm case combines brushed and polished surfaces in Grand Seiko’s signature Zaratsu style, paired with a purple mosaic dial that evokes the cosmic hues of a supernova. A hi‑beat calibre 9S85 beats at 36 000 vph, delivering ±5/‑3 seconds per day precision and a 55‑hour power reserve. The watch is water‑resistant to 100 m and comes on a stainless‑steel bracelet, making it suitable for daily wear. Limited to just 200 pieces worldwide, the SBGH337 represents both rarity and horological excellence. Available in Bangladesh exclusively through Hourglass Emporium, this special edition offers collectors a vibrant and technically accomplished timepiece.

Key Features & Benefits

• Purple mosaic dial – Radiating Clous de Paris‑style pattern inspired by starry skies and supernovae.
• Hi‑beat movement – Calibre 9S85 oscillates at 36 000 vph with ±5/‑3 s/day accuracy and a 55‑hour reserve.
• 62GS case – 40 mm stainless‑steel case with Zaratsu polishing and a slim 12.5 mm profile.
• Water resistance – 100 m rating for versatile daily wear.
• Exclusive edition – Only 200 pieces produced, offered through select retailers.
• Collectible design – Celebrates Grand Seiko’s heritage with a modern twist, available at Hourglass Emporium in Bangladesh.

Technical Data & Materials

• Case: Stainless steel; 40 mm diameter; 12.5 mm thick; lug‑to‑lug 46.2 mm; Zaratsu‑polished and brushed surfaces.
• Crystal: Dual‑curve sapphire crystal with anti‑reflective coating; sapphire case back.
• Movement: Calibre 9S85 automatic; 37 jewels; 36 000 vph; ±5/‑3 s/day; power reserve ~55 hours.
• Functions: Hours, minutes, seconds, date.
• Dial: Purple mosaic pattern with date at 3 o’clock; luminous hands.
• Bracelet: Stainless‑steel three‑link bracelet with folding clasp.
• Water resistance: 100 m (10 bar).
• Edition: Limited to 200 pieces.

Operating Instructions & Care Guide

• Automatic winding – Wear the watch daily or rotate the crown 20–30 times clockwise to initiate the power reserve; the hi‑beat calibre winds quickly.
• Setting time & date – Pull the crown to the first click to adjust the date; pull to the second click to set the time. Avoid changing the date between 9 p.m. and 1 a.m.
• Water & magnetic care – Ensure the crown is pushed in and locked before exposure to water; avoid strong magnetic fields to maintain ±5/‑3 s/day accuracy.
• Cleaning – Wipe the case and bracelet with a soft cloth; occasionally clean the bracelet with mild soap and water, then dry thoroughly.
• Servicing – Hi‑beat movements benefit from regular service every 4–5 years to ensure accuracy and longevity.
• Storage – Store the watch in a cool, dry place away from direct sunlight when not in use.