![Seiko 6139-6002: what parts are aftermarket and, more importantly, how can you tell? Didn't cost much and condition is obviously too good to be original, just keen to learn a little about Seiko 6139-6002: what parts are aftermarket and, more importantly, how can you tell? Didn't cost much and condition is obviously too good to be original, just keen to learn a little about](https://preview.redd.it/09gitbi8yuo41.jpg?width=640&crop=smart&auto=webp&s=86a61ae4de3815efd4160e02067336c53c60a708)
Seiko 6139-6002: what parts are aftermarket and, more importantly, how can you tell? Didn't cost much and condition is obviously too good to be original, just keen to learn a little about
![Repuesto de cristal Mineral para reloj plano, piezas de herramientas de reparación de 33mm para Seiko 6139 6000/6010/6015/6030/6040|Piezas para herramientas| - AliExpress Repuesto de cristal Mineral para reloj plano, piezas de herramientas de reparación de 33mm para Seiko 6139 6000/6010/6015/6030/6040|Piezas para herramientas| - AliExpress](https://ae01.alicdn.com/kf/Hfa192bc237774b4198ce7594da475fe9M.jpg)
Repuesto de cristal Mineral para reloj plano, piezas de herramientas de reparación de 33mm para Seiko 6139 6000/6010/6015/6030/6040|Piezas para herramientas| - AliExpress
![Repuesto de cristal plano para reloj Seiko, piezas de herramientas de reparación de 33mm, transparente, liso, Mineral, 6139 6000/6010/6015/6030/6040|Piezas para herramientas| - AliExpress Repuesto de cristal plano para reloj Seiko, piezas de herramientas de reparación de 33mm, transparente, liso, Mineral, 6139 6000/6010/6015/6030/6040|Piezas para herramientas| - AliExpress](https://ae01.alicdn.com/kf/H338f786ad9084f6d81a287ec561169aaP/Repuesto-de-cristal-plano-para-reloj-Seiko-piezas-de-herramientas-de-reparaci-n-de-33mm-transparente.jpg_Q90.jpg_.webp)
Repuesto de cristal plano para reloj Seiko, piezas de herramientas de reparación de 33mm, transparente, liso, Mineral, 6139 6000/6010/6015/6030/6040|Piezas para herramientas| - AliExpress
![Seiko Pepsi 6139 6002 Replacement Watch Crystal | Watch Hands | Watch Straps and Bands | Watch Tools | Watch Glass and Crystals | Cleaning | Watch Parts | Vintage Watch Parts | Watch Batteries | Clock Parts Seiko Pepsi 6139 6002 Replacement Watch Crystal | Watch Hands | Watch Straps and Bands | Watch Tools | Watch Glass and Crystals | Cleaning | Watch Parts | Vintage Watch Parts | Watch Batteries | Clock Parts](https://www.timebymail.com/ekmps/shops/timebymail/images/seiko-pepsi-6139-6002-replacement-watch-crystal-c26-443-p.jpg)