Seiko · Prospex
Marinemaster
Ref. SBDX001 — “MM300”
discontinuedFirst MM300DocumentedLast reviewed Not yet reviewed
Overview
- Nickname
- MM300
- Production
- 2000–2015
- Era
- First MM300
- Status
- discontinued
Case
- Case diameter
- 44.3mm
- Thickness
- 15.4mm
- Lug width
- 20mm
- Case material
- Stainless steel
- Construction
- Monocoque case, accessed from the front
- Bezel
- Unidirectional 60-minute
- Crystal
- Hardlex
- Crown
- Screw-down crown at 4
- Water resistance
- 300m
Dial & Hands
- Dial
- Black
- Lume
- LumiBrite
- Lume type
- LumiBrite
Movement
- Movement
- Automatic
- Caliber
- 8L35
- Manufacturer
- Seiko
- Winding
- automatic
- Power reserve
- ~50 hours
- Frequency
- 28,800 vph
- Jewels
- 26
- Complications
- Date, hacking, hand-winding