SBTM257
セイコーセレクション
Specifications
Movement
- Caliber Number
- 7B24
- Movement Type
- Radio Sync Solar
- Precision
- ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )
- Power reserve
- Operating for approx. 6 months (when fully charged), power save: approx. 1.5 years
- Jewels
- 6
- Functions
-
- Overcharge prevention function
- Quick-start function
- Power save function
- Full-auto calendar correct to the December 31, 2099
- Radio signal receiving function (receives official standard frequencies of Japan, China, and United States)
- Automatic reception function
- Manual reception function
- Reception result display function
- Time difference adjustment function
- Automatic hand position alignment function
- Date display
Exterior
- Case Material
- Stainless steel (hard coating)
- Case Size
-
Thickness:9.4mm
Diameter:40.0mm
Length:46.3mm - Crystal
- Sapphire crystal
- Clasp
- Three-fold clasp with push button release
- Bracelet Length
- 190.0mm
- Distance between lugs
- 20mm
Other Details
- Water Resistance
- 10 bar
- Weight
- 118.0g
- Features
-
- Screw-down crown