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Found 7 listings matching "SBDX023 MM300"
![[WTS] Seiko Diver Marine Master Professional 300m “MM300” Cal. 8L35 Hi-beat Automatic — $1,700 (Shipped/Tariff Covered)](https://preview.redd.it/3znx5bml662h1.jpg?width=640&crop=smart&auto=webp&s=f41bf0f90b0cb719dc7548b04b0d5469b38553f8)
Seiko Diver Marine Master Professional 300m “MM300” Cal. 8L35 Hi-beat Automatic — $1,700 (Shipped/Tariff Covered)
The Seiko SLA021/SBDX023 is a favorite among purists due to its iconic 'Marinemaster' dial text and unsigned crown. It features the upgraded MEMS 8L35 movement and Diashield protection.
- Condition: Great original & unpolished condition, showing signs of wear on bracelet and a ding on case side
- Movement: Cal. 8L35 Hi-Beat (28,800 vph), 50hr Reserve, Hacking/Hand-winding
- Dimensions: 44mm diameter, 14.6mm thickness, 50mm lug-to-lug
- Inclusions: Original boxes and papers, all links and extra rubber strap
Seiko SBDX023 Marinemaster MM300
The SBDX023 is a modern iteration of the legendary MM300, powered by the workhorse 8L35 movement and built like a tank.
- Condition: Fantastic condition
- Movement: Automatic w/ manual winding - Caliber 8L35
- Case material: Stainless steel
- Bracelet material: Diashield coated stainless steel
Seiko SBDX023 Marinemaster MM300…NOS/NIB!!
A discontinued Seiko SBDX023 Marinemaster MM300 with a black dial, ceramic bezel, and sapphire crystal. It features the 8L35 movement and is complete with everything delivered by Seiya.
- Condition: New in box/never worn (NIB/NOS)
- Movement: 8L35
- Crystal: sapphire
NOS/NIB Seiko SBDX023 MM300 Marinemaster..Complete!!
A discontinued Seiko SBDX023 MM300 model with a black dial and ceramic bezel. It features an 8L35 movement and comes complete with everything delivered by the original seller.
- Condition: New, unworn (NIB/NOS)
- Material: Ceramic
- Crystal: Sapphire Crystal
- Movement: 8L35
Seiko SBDX023 MM300 Marinemaster NOS/NIB..Complete!!
A new, unworn example of the discontinued Seiko SBDX023 MM300, one of the last models produced by Seiya before he closed down.
- Condition: New In Box (NIB)
- Movement: 8L35
- Bezel material: Ceramic
Seiko MM300 SLA021 SBDX023 GORGEOUS!!!
A gently used Seiko MM300 with excellent condition and all original packaging, ready to wear or collect. The watch has been well cared for and shows minimal signs of wear.
- Condition: Seldom worn, 95% plus condition watch head, OEM rubber strap 90%
- Condition Of Bracelet: like new
- Inclusions: all packaging, paperwork, hang tags, spare bracelet links, brand new OEM rubber strap