Grand Seiko Heritage “Mount Iwate Autumn Dusk” Limited Edition

A Limited Edition Tribute to Japanese Landscape and Craftsmanship

The Grand Seiko Heritage “Mount Iwate Autumn Dusk” SBGW303G is a distinguished limited edition mechanical watch that celebrates the unique interplay of light and shadow found in Japan’s iconic Mount Iwate at dusk. Reflecting Grand Seiko’s deep connection to nature and its storied design principles rooted in the 44GS Grammar of Design, this watch marries traditional aesthetics with meticulous mechanical precision.

Created exclusively for the European market in a limited run of only 400 pieces, the SBGW303G has become a sought‑after piece with boutique availability frequently limited. Each watch is individually engraved on the case back, highlighting its exclusivity and appeal to collectors and enthusiasts alike.

Key Features

• Manual‑winding mechanical movement Calibre 9S64 with high precision and handcrafted finishing.

• Green textured “Mount Iwate” dial inspired by the mountain’s ridged terrain as seen from the Shizukuishi studio, capturing a mesmerising autumn dusk effect.

• Limited edition of 400 pieces worldwide, each with a unique serial number engraved on the case back.

• 36.5 mm stainless steel case with Zaratsu‑polished surfaces for distortion‑free mirror finish.

• Box‑shaped sapphire crystal with anti‑reflective coating for clarity and refined presence.

• Water resistance to 100 metres (10 bar) for everyday reliability.

• Three‑fold stainless steel bracelet with push‑button clasp plus an additional strap included for versatile styling.

• Compact proportions ideal for versatile wear, emphasising both elegance and everyday practicality.

 

Product Specifications

Model Reference
SBGW303G

Collection
Grand Seiko Heritage “Mount Iwate Autumn Dusk” Limited Edition

Movement
Mechanical manual winding
Calibre 9S64

Power Reserve
Approx. 72 hours (3 days)

Functions
Hours, minutes, central seconds

Case Diameter
36.5 mm

Case Thickness
11.5‑11.6 mm

Case Material
Stainless steel with Zaratsu and mirror polishing

Crystal
Box‑shaped sapphire with anti‑reflective coating

Bracelet
Stainless steel with three‑fold clasp and push‑button release

Dial
Green textured Mount Iwate pattern

Water Resistance
100 metres / 10 bar

Magnetic Resistance
4 800 A/m

Limited Edition
400 pieces worldwide (engraved case back)

A Collector’s Mechanical Watch With Distinctive Character

The SBGW303G stands out within Grand Seiko’s Heritage Collection for its unique dial and limited production run. Evoking the rugged contours and colours of Mount Iwate at dusk, it reflects both the brand’s design heritage and meticulous craftsmanship. Its manual movement, meticulous finishing and boutique‑oriented limited edition status make it an appealing choice for collectors and enthusiasts seeking a distinctive mechanical timepiece with both visual intrigue and horological substance.