Forget about the Seiko Arnie, that's for girlie snorkelers. It's time to man up. The Citizen Promaster EcoZilla (BJ8057-17X) is on sale for the irresistible price of $399. Cheaper than a night on the town and you can hand it down to your spawn when your time is up.
Citizen Eco-Drive Promaster Professional Diver BJ8057-17X is used for mixed gas diving with its 6mm non-reflective curved crystal, ratcheted elapsed-time bezel, screw-back case & screw-down crown, and reinforced urethane band and extender. Crafted in stainless steel with luminous accents, and 300M WR. Featuring Citizen Eco-Drive technology – powered by light, any light. Never needs a battery. Caliber number B873.
Thickness: 18.5 mm
Case Size: 48.2 mm
Weight: 177 grams
Glass: 6mm Anti-Reflective Mineral Glass
Case: Stainless Steel
Lovely find.
For this price I'd be wanting sapphire (can go with just 200m WR)