Type of Crystal & Seiko Crystal Reference Database

Discover the different types of watch crystals and their unique characteristics. Please refer to the table below for more information on each type of crystal.

 

Model Number	Type	Size (mm)	Reference Number	Case Number	Suitable Model No
Seiko SKX / 7002 Series	Single Dome	31.5 x 4.2 x 3.6mm	315P15HN02	7S26-0020	SKX Series SKX007, SKX009, SKX011, SKX171, SKX173, SKXA35, SKX175, SKX401K 7002 Series 7002-7020 , 7002-7029 , 7002-7039
	Double Dome	31.5 x 4.5 x 2.9mm
	Flat	31.5 x 3.0mm
SKX013	Flat	28 x 2.5mm	280P53HN02	7S26-0030
Seiko 5KX/SRPD	Flat	31.5 mm	315P15HN02	4R36-07G0
Seiko SBDC Series	Flat	31.0 mm	310P57HN03	6R15-00G0	SBDC Series SBDC001, SBDC003, SBDC031, SBDC033
SRP / SBDC Series	Flat	32 x 3.5mm			SRP Series SRP775, SRP777, SRP777J1, SRP773J1, SRPA21J1, SRPC48J1, SRPC25J1 SBDC Series SBDC051, SBDC053
	Double Dome	32 x 5.0mm
6139 Series	Box Dome	33mm	330W18GN00		6139 Series 6139-6000, 6139-6001, 6139-6002, 6139-6005, 6139-6007, 6139-6009, 6139-6010, 6139-6011, 6139-6012, 6139-6013, 6139-6015, 6139-6017, 6139-6019, 6139-6030, 6139-6031,  6139-6032, 6139-6040, 6139-6041
6306, 6309 Series 7002, 7548 Series	Flat	32mm	320W23HN01		6306 / 6309 Series： 6306-7000, 6306-7001, 6309-7040, 6309-7049, 6309-7290, 6309-729A & 6309-729B 7002 Series 7002-7000, 7002-7001, 7002-7009 & 7002-700A 7548 Series 7548-7000, 7548-7001, 7548-7009, 7548-700A, 7548-700B, 7548-700C, 7548-700F & 7548-700H
SBBN Series	Double Dome	32.5 x 5.2mm	325W26HB0A	7549-7010 7C46-7011 7C46-0AC0 6159-7000 6159-7001	SBBN Series SBBN015, SBBN017, SBBN031, SBBN033, SBBN035, SBBN037, SBBN039