Numerals / markings are engraved
Fits Seiko 'TURTLE REISSUE' PROSPEX SRP77x series
Fits Seiko SRPC49, SRPC91
*Original stock insert is angled down towards crystal whereas this Ceramic Insert is flat, hence it will sit slightly taller than the stock crystal. There is height difference but there won't be gap. Sapphire double dome & Sapphire Flat Crystal will rectify this height difference.