Grand Seiko expands its Elegance and Heritage lines with two GMTs and two 9F quartz pieces
Jason Lee- Grand Seiko introduces two automatic GMTs, the SBGM255 “Snowdrop” and SBGM257 “Moondrop”; and two 9F quartz models, the SBGX265 and SBGX357 “Skyflake.”
- The Elegance GMT pair shares a 39.5 mm stainless‑steel case with a rounded profile that nods to early Grand Seiko references, its wider‑tipped lugs and crisp ridgelines sharpened by Zaratsu polishing.
- By contrast, the SBGX265 and SBGX357 “Skyflake” adopt a compact 37 mm case with a solid screw‑back and a three‑fold clasp.
Grand Seiko has spent more than six decades pursuing a simple brief: make a Japanese watch that can stand with the best precision and finishing. The brand’s modern identity was nailed down in 1967 with the 44GS “Grammar of Design,” a rulebook for crisp case geometry, broad flat planes and dial openness that still defines the silhouette today. Equally important is process. Cases and hands are finished to distortion‑free mirrors with Zaratsu polishing, a technique that turns edges into clean lines and maximises light and shadow; movements are built and regulated in dedicated workshops—mechanical in Shizukuishi, quartz and Spring Drive in Shinshu—so control over accuracy and fit remains unusually vertical for a large maker.
Against that backdrop, the four watches launching here fall neatly into two camps. The Elegance Collection adds a pair of automatic GMTs, the SBGM255 “Snowdrop” and SBGM257 “Moondrop”, that apply seasonal light motifs to a compact, travel‑ready format. The Heritage side introduces two 37mm 9F quartz models: the stainless‑steel SBGX265 with a deep blue dial, and the high‑intensity titanium SBGX357 “Skyflake,” a lighter take on Grand Seiko’s snow‑textured theme.
Grand Seiko Heritage Collection SBGM255 Snowdrop and SBGM257 Moondrop

The two Elegance GMTs share a 39.5mm stainless‑steel case whose rounded profile nods to early Grand Seiko references, with lugs that widen toward the tip and crisp ridgelines set off by Zaratsu polishing. A box‑shaped sapphire crystal with internal anti‑reflective coating keeps the dial geometry honest and gives a soft distortion at the very edge—one of the quiet pleasures of this case family. Beating inside is the 9S66 automatic GMT movement. In both models, Grand Seiko has stayed with crocodile straps on a three‑fold, push‑button clasp, keeping the watches in the classic dress‑travel lane. One practical note: water protection is limited to just “splash resistance”.

Where the two references depart is in mood. The SBGM255 “Snowdrop” uses a pale, textured dial that aims to capture the moment spring sunlight begins to melt winter’s crust, with a tempered blue 24‑hour hand providing second‑time‑zone legibility at a glance. The SBGM257 “Moondrop” takes the same geometric spiral texture in navy, dialling up contrast with a gold‑coloured GMT hand to recall dew glistening under autumn moonlight. These are not literal pictorial dials; they’re pattern‑driven surfaces that change with angle and light. Both watches retain applied indexes and a neatly framed date at three o’clock.
Under the hood, the calibre 9S66 is an easy movement to live with if you cross time zones. It offers an independently adjustable local hour hand—jumping in one‑hour steps without stopping the movement—while the 24‑hour hand tracks home time. Power reserve is approximately 72 hours.
| Brand | Grand Seiko |
| Model | Elegance Collection |
| Reference | SBGM255 SBGM257 |
| Case Dimensions | 39.5mm (D) x 14.1mm (T) x 46.9mm (LTL) |
| Case Material | Stainless steel |
| Water Resistance | Splash resistant |
| Crystal(s) | Sapphire front and back |
| Dial | Silver or blue stamped texture |
| Lug Width | 19mm |
| Strap | Crocodile leather |
| Movement | Calibre 9S66, in-house, automatic |
| Power Reserve | 72 hours |
| Functions | Hours, minutes, seconds, date, GMT |
| Availability | From December 2025 |
| Price | US$5,400 |
Grand Seiko Heritage Collection SBGX265 and SBGX357 Skyflake

Running in parallel, the Heritage pair shows why the 9F platform has quietly become one of the brand’s signature propositions. The SBGX265 and SBGX357 “Skyflake” share a compact 37mm footprint with a screw-down solid case back and three‑fold clasp. Both are water resistant up to 100 metres, and both carry magnetic resistance of 4,800 A/m.
The stainless‑steel SBGX265 leans into understatement with a deep blue dial and prominent brushing across the case and bracelet. The SBGX357 uses high‑intensity titanium—around 30% lighter than steel—for a tangible difference on the wrist, paired to a light‑blue dial whose snow‑like texture aims to capture wind‑swept drifts reflecting a clear winter sky. A tempered blue seconds hand on the titanium model subtly underlines the cold‑weather theme. Each watch places the date at three, maintaining the familiar Grand Seiko dial layout.

Powering both is the 9F62, the smallest of the trio’s movements but arguably the most emblematic of the brand’s “no weak links” approach. 9F is hand‑built by dedicated teams, regulated for a stated accuracy of ±10 seconds per year and equipped with technologies designed for real‑world use: the Instant Date Change that snaps the calendar at midnight, Backlash Auto‑Adjust to prevent seconds‑hand flutter, and a regulation switch that allows fine trimming during service. Construction is unusually robust for a quartz calibre, with dust‑proofing and torque sufficient to drive heavier hands without sacrificing battery life; Grand Seiko quotes around three years between changes.
| Brand | Grand Seiko |
| Model | Heritage Collection |
| Reference | SBGX265 SBGX357 |
| Case Dimensions | 37mm (D) x 10mm (T) x 44.6mm (LTL) |
| Case Material | Stainless steel High-intensity titanium |
| Water Resistance | 100 meters |
| Crystal(s) | Sapphire front |
| Dial | Navy-blue or sky-blue stamped texture |
| Lug Width | 19mm |
| Strap | Stainless steel bracelet Titanium bracelet |
| Movement | Calibre 9F62, in-house, quartz |
| Battery Life | ~3 years |
| Functions | Hours, minutes, seconds, date |
| Availability | From December 2025 |
| Price | US$2,700 (SBGX265) US$4,100 (SBGX357) |
Closing thoughts
Taken together, the four watches outline a simple, coherent message. The Elegance GMTs give the mechanically minded a compact, travel‑ready option that leans into seasonal storytelling without sacrificing legibility or utility. The Heritage 9F duo offers an everyday set‑and‑forget alternative in two materials and two interpretations of blue, one quiet and one overtly tied to the brand’s now‑familiar snow theme. Grand Seiko’s strength lies in refining established forms and letting the movement families do their work. These four references do exactly that, and they set the table for deeper dives into the details—be it the jump‑hour convenience of 9S66 or the quietly obsessive engineering of 9F—when you’re ready to choose which side of the brand speaks loudest on your wrist.


