SJX Watches
Grand Seiko Introduces the SLGW002 and SLGW003 “Birch Bark”
Grand Seiko has introduced the Evolution 9 “Birch Bark” SLGW002 and SLGW003, in rose gold and “brilliant hard titanium” respectively. Named after the dial pattern, the “Birch Bark” is powered by a new manually-wound, high-beat caliber that features the brand’s proprietary dual-impulse escapement. The only completely new model introduced by Grand Seiko at Watches & Wonder this year, the new references introduce a new, notably slimmer aesthetic to the brand’s Evolution 9 collection. Initial thoughts Grand Seiko has earned a devoted following in recent years, but collectors have been asking for slimmer options for some time; this release proves the brand is listening. While there’s nothing revolutionary about it, the watch has been nipped and tucked in all the right areas, getting the case down to 38.6 mm in diameter and just under 10 mm in thickness. Compared to the most similar existing watch in the catalog, the Spring Drive SLGA009 “White Birch” launched two years ago, the new Evolution 9 feature a new movement, a thinner case, slimmer dial markers, and a horizontal interpretation of the brand’s signature white birch-inspired dial texture. The slimmer profile is made possible thanks to the new 9SA4 movement, which is essentially a 9SA5 without automatic winding. This makes it the first manually wound caliber from Grand Seiko’s latest generation of mechanical movements, and also the first to be available without a date function. Perhaps the onl...
![[VIDEO] Hands-on Impressions of the Beautifully Slender Grand Seiko SLGW002 and SLGW003](https://wornandwound.com/library/uploads/2024/04/GS_NEW_NOVELTIES_01.jpg)
