Premium sapphire crystal: Provides superior scratch resistance and durability compared to stock hardlex glass
Anti-reflective AR coating: Reduces glare for improved readability in bright conditions
Flat design: Ensures a precise fit for Seiko 5 Sports SRPE models
Available in blue and clear AR: Allows customization to suit personal style preferences
Upgrading your crystal from stock Hardlex glass to a premium Sapphire Crystal is a great first mod for your Seiko 5 Sports SRPE. This NMK351 SRPE Flat Sapphire Crystal is designed to be the perfect replacement if you like the original flat Hardlex but want to upgrade it to a much higher quality sapphire crystal.
Our sapphire crystals have
Crystal Type
Flat sapphire crystal
Coating
Anti-reflective (AR) at bottom and side
Compatibility
Seiko 5 Sports SRPE
Color Options
Clear, Blue
Style
Sporty
4.7
15 ratings
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Beautiful crystal
Flawless transaction. Just as described in description.
S
Simon · April 26, 2026
Came nicely protected snd fit easy. Clarity is spot on