Grand Seiko
Peacock
SBGA431
$5,600
MSRP
Specifications
Case Diameter
40mm
Lug to Lug
46.2mm
Thickness
13.1mm
Lug Width
19mm
Material
stainless steel
Dial
green
Movement
spring-drive
Caliber
9R65
Crystal
sapphire
Power Reserve
72h
Strap
bracelet
dresstitaniumspring-drivebluepeacock
40mm
Diameter
46.2mm
Lug to Lug
13.1mm
Thickness
19mm
Lug Width
9R65 · Spring-drive · Sapphire crystal · 72h power reserve
stainless steel · green dial · bracelet
MSRP $5,600 · Introduced 2021
Perceived Size
How it wears, not just how it measures
~48mm
vs 46mm L2L
Compact (36mm)Substantial (60mm)
↑ 13.1mm case thickness adds +2mm wrist presence
Wrist Fit
16cm wrist (53mm flat)
Fit ratio: 0.91(13.1mm thick)
Snug Fit