heechang watch
grand-seiko
Jul 9, 2026
Spring Drive U.F.A. SLGB003

Spring Drive U.F.A. SLGB003

Debuts the U.F.A. (Ultra Fine Accuracy) designation, the most accurate mainspring powered movement at ±20 seconds per year, smallest 9R case at 37mm, around USD 11,400

Specifications

Reference
SLGB003
Collection
Evolution 9
Case size
37 mm
Thickness
11.4 mm
Case
High intensity titanium
Movement
Spring Drive 9RB2 (U.F.A.), ±20 sec per year, 72h power reserve
Water resist.
100 m
Complications
Time and date
Dial
Ice Forest dial, icy blue pressed pattern inspired by frozen forests of Shinshu, Zaratsu polished Evolution 9 case, micro adjustment clasp
Country
Japan
My tier
2
Website
official page
Added
Jul 9, 2026

More from Evolution 9

Evolution 9 (e.g., SLGA021)