M45 F7 Small Second
RE-BS0002S
| Movement | Mechanical |
|---|---|
| Calibre Code | F7H44 |
| Accuracy | +15 seconds to -5 seconds per day * |
| Power Reserve (Mechanical) | Over 50 hours |
| Power Reserve (Quartz) | |
| Automatic | Yes |
| Hand-Winding | Yes |
| Dial Colour | Ivory |
| Case Material (Bezel) | Stainless steel (SUS316L) |
| Case Material (Body) | Stainless steel (SUS316L) |
| Case Material (Back) | Stainless steel (SUS316L) |
| Case Size (Width) | 39.0 mm |
| Case Size (Height) | 45.7 mm |
| Case Size (Thickness) | 11.7 mm |
| Case Back Design | See-through exhibition case back |
| Glass Material (Front) | Dual curve sapphire crystal (SAR coating) |
| Glass Material (Back) | Flat sapphire crystal |
| Strap Material | Leather |
| Strap Colour | Brown |
| Strap Width | 20 mm |
| Buckle | Trifold deployant buckle with push button |
| Wrist Size | 150 mm~190 mm |
| Additional Strap | |
| Additional Strap material | |
| Additional Strap buckle type | |
| Water Resistance | 3 bar (30 m) |
| Magnetic Resistance | JIS Type 1 (Magnetic Resistance 4800 A/m or higher) |
| Weight | 76 g |
| Jewels | 24 |
| Date Indicator | |
| Day Indicator | |
| Power Reserve Indicator | Yes |
| GMT | |
| Retrograde | |
| World Time | |
| Rotating Bezel | |
| Inside Ring | |
| Luminous Light | |
| Screw Case Back | Yes |
| Easy Exchange Strap | |
| Other Details | |
| Limited Edition | |
| Pair Model | |
| Country of Origin | Japan |
| Warranty | 2 Year |
| Launch | Mar, 2026 |
- *The indication difference of the watch measured over a 24-hour period represents the degree of advance or delay per day.
Indicated with (+) if the watch is going forward,and (-) if it is going backward.
Unique dial with sandblast pattern
The dial, with leaf-shaped hour and minute hands, delicate Roman numerals and railway-track minute scale, features a matte texture created through sandblast and sunburst finishes. In contrast, the brand’s iconic power reserve indicator features a simple sandblast finish that achieves visual uniformity and distinctness.
Compact size for easy wearability
The high-quality stainless steel (SUS316L) case has a diameter of 39 mm and a thickness of 11.7 mm for ease of wear. The compact size fits comfortably under shirt or jacket sleeves.
Small second and simple display
The slim case is equipped with an in-house automatic calibre F7H44 with small second and no date display. The high-quality movement offering stable high accuracy of +15 seconds to –5 seconds per day and a power reserve of 50 hours is visible through the sapphire crystal see-through caseback.
