So i heard this sub likes skeleton watches.... The Seiko ref. Prclas666. A well known homage of Casio f91-w. Also known as the “Ghost alpinist”. Legend says the time is only visible
Is the Casio F91W waterproof? - Quora
I love this Casio skeleton so much!! : r/casio
Casio F-91W: A watch also worn by an American president
Casio F-91WS-2EF Women's Digital Wristwatch - Blue for sale online | eBay