This is the Titanium Perpetual Calendar Big Date. Another obscure JDM model released for a short period of time within the Seiko Brightz… | 𝕁𝔻𝕄 ℍ𝕠𝕣𝕠𝕝𝕠𝕘𝕚𝕤𝕥 (@jdm_horologist) on Instagram
Seiko 7D46-0AE0 Perpetual Calendar Titanium Used Kinetic Mens Watch Auth Works | eBay
Seiko Men's Titanium Black Dial Date Display SKA763P1 - First Class Watches™ USA