Compare Studio
35SQ Astron vs SBXB
Differences are highlighted. Rows where both references share a value are dimmed.
| Specification | ||
|---|---|---|
| Nickname | The first quartz wristwatch | GPS Solar |
| Production | 1969–1970 | 2012–present |
| Era | First production quartz wristwatch | GPS solar |
| Status | discontinued | current |
| Case diameter | 35mm | — |
| Case material | 18k yellow gold | Titanium or stainless steel depending on execution |
| Crystal | Acrylic | Sapphire |
| Dial | Gold | — |
| Dial text | SEIKO QUARTZ ASTRON 35SQ | — |
| Movement | Quartz | GPS solar quartz |
| Caliber | 35A | — |
| Manufacturer | Seiko (Suwa Seikosha) | Seiko |
| Winding | quartz | solar |
| Complications | Date | GPS time zone adjustment, perpetual calendar, world time |