Permanently sealed Casio F91W movement: Ensures 10-year reliability with no battery changes or adjustments
Transparent resin case: Allows full visibility of the internal movement and display from all angles
Fully waterproof and shockproof: Maintains durability and legibility even in wet or rugged conditions
Visible digital display: Maintains excellent legibility underwater and in all lighting conditions
Handmade in small batches: Each watch is unique with individual casting imperfections
Summarized by Shop
Solid State Watch is a Casio F-91W movement permanently cast into a transparent resin case. It's in there forever. No buttons, no functions, no light, fully waterproof and no changing that 10 year battery. It just tells time.
*** PLEASE NOTE ***
This is an experimental art project. Each piece is handmade in-house. We make a batch every week
Movement
Casio F91W (sealed, no functions, no light, no battery changes)
Case Material
Transparent resin
Display
Digital LCD, visible from all angles underwater
Water Resistance
100% waterproof
Battery Life
Up to 10 years (CR2016 sealed lithium battery)
Dimensions
38 mm (L) x 32 mm (W) x 10 mm (H)
Weight
19 g
Lug Width
18 mm
Band
Adjustable elastic strap, color gray
Summarized by Shop
4.8
64 ratings
5
4
3
2
1
Broke down after 1 month. Awful
Guglielmo · July 30, 2026
As a big Casio fan, its really nice to have this piece in my collection. I love the artistic design around the watch and look forward to the journey ahead with it!