FS:Seiko 5M23-6B40 kinetic air diver all titanium $199 OBRO | The Watch Site
Seiko Diver - SEIKO KINETIC #TUNA 5M23-6A19 The only one shroud case model using Kinetic movement. Check out the 'K' logo!!! #SEIKODIVER #SEIKOLIMITED | Facebook
SOLD Seiko AGS Scuba Titanium 5m23-6b40 $150 | Wrist Sushi - A Japanese Watch Forum