The Seiko 4R37-00A0 is a watch model based on the 4R37 movement.
Parts List
| 320P02SN03 | crystal - crystal |
| 9K60AASNG2 | crown - crown (3h) |
| 9K60AASNW1 | crown - crown (3h) |
| FE298BAD2 | case back gasket - case back gasket |
| DH0100B01 | case back gasket - crown and stem gasket (4h) |
| 86620910 | crystal gasket - plastic gasket for crystal |
| 86620915 | crystal gasket - plastic gasket for crystal |
| 86566860 | bezel gasket - plastic gasket for bezel |
| L01G011J0 | band - leather band |
| M0BV1JLK | band - link |
| M0BV311J0 | band - metal band |
| H00W14SA03C | clasp - clasp |
| AB1AWSA00H | clasp - buckle |
| 1FH090LBBD1 | hand - hour hand |
| 1FH090LBBDZ | hand - hour hand |
| 2FH132LABD1 | hand - minute hand |
| 2FH132LABDZ | hand - minute hand |
| 3BA040F0BNZ | hand - small hand(6h long) |
| 3BA135F3BNP | others - second hand |
| 3BA135F3BNS | others - hand |
| 1FH090LBBDS | others - hour hand |
| 2FH132LABDS | others - minute hand |
| 3BA040F0BNS | others - sub hand |
| 0351200 | others - winding stem |
| 0351183 | others - setting/winding stem |
| 0878208 | others - date dial |
| 0878209 | others - date dial |
| EP220081J | others - endpiece |
| 4R3700A0 | others - case back |
| 4R3700A001A | others - case |
| 4R3700A002A | others - case |
| 4R3700A003A | others - case |
| 4R3700A004A | others - case |
| 4R3700A005A | others - case |
| 4R3700B2XB13 | others - dial |
| 4R3700B2XS13 | others - dial |
| 4R3700B2XS1Z | others - dial |
| 4R3721 | others - machine code |
| 4R3721H | others - machine code |
| 84325455 | others - dial ring |
| 84325456 | others - dial ring |
| 87305791 | others - bezel |
| 87305799 | others - bezel |
| H19050S | others - hairpin (band) |
| S220CS | others - push pin |
| Z200ZS | others - push pin (clasp and band) |
Caliber 4R37
Other models with the same movement
| 4R37-00B0 |
| 4R37-00C0 |
| 4R37-00D0 |
| 4R37-00E0 |
| 4R37-00F0 |
| 4R37-00G0 |
| 4R37-00K0 |
| 4R37-00N0 |
| 4R37-00T0 |
| 4R37-00Z0 |
| 4R37-01C0 |
| 4R37-01D0 |
| 4R37-01E0 |
| 4R37-01H0 |