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GRAND SEIKO Evolution 9 "Night Birch" Noir
GRAND SEIKO

Evolution 9 "Night Birch"

Size
40mm
Movement
Automatic
Water res.
100m
Caliber
9SA5
Reserve
80 heures
~$12k
Description

A modern expression of nature, the Night Birch captures the essence of a tranquil evening. Its delicate texture and impeccable craftsmanship make it a compelling piece for both everyday wear and special occasions.

Specifications
ref. SLGH017
Case
MaterialTitanium
Diameter40mm
Water resistance100m
BezelSmooth
Case backFond verre saphir
DialBlack
Movement
TypeMécanique à remontage automatique manufacture
Caliber9SA5
Power reserve80 heures
ComplicationsDate
Strap & Bracelet
MaterialMetal bracelet
BuckleDéployante
Author POV

Night Birch takes the White Birch dial texture and inverts it to near-black, which changes how the bark pattern reads entirely — in low light it nearly disappears, in direct light it still catches the same uneven texture. Titanium at 40mm keeps the weight down from what the steel White Birch carries, and 100m of water resistance is unchanged between the two. I treat these dial-color variants as separate entries in my scoring precisely because legibility and versatility shift with the color even when case and movement don't. No complications beyond the date window — dial texture is the entire pitch here.