Description
Description:
The SBDC101 is a Prospex model inspired by Seiko’s first diver’s watch, bringing a reissue-style design to a modern mechanical tool watch. Its compact round case, black dial, and stainless steel bracelet create a balanced look that feels both vintage-inspired and practical for everyday wear.
Powered by Seiko’s automatic 6R35 movement, the watch delivers mechanical character with strong everyday usability. It also features 200-meter water resistance, sapphire crystal, luminous hands and markers, and a screw-down crown, giving it the durability expected from a proper diver’s watch.
For buyers who want a JDM Seiko diver with heritage appeal and reliable mechanical performance, the SBDC101 remains a highly attractive choice. Its design connects to Seiko’s dive watch history while still feeling versatile enough for regular use.
Key Specifications:
- Case: 40.5 mm diameter, 13.15 mm thickness, stainless steel with hard coating
- Bezel: stainless steel, dive-style bezel
- Band: stainless steel with hard coating, silver, metal bracelet
- Water resistance: 200 m
- Movement: automatic, calibre 6R35, mechanical with hand-winding
- Battery/Power: mechanical self-winding; no battery
- Accuracy: not clearly stated in retrieved sources
- Display: analog, black dial
- Functions: date display
- Special features: antimagnetic, luminous hands, luminous markers, screw-down crown
- Illumination: luminous markers and hands
- Additional: sapphire crystal with anti-reflective coating
- Origin: Japan (JDM)
- Warranty: not clearly stated in retrieved sources
- JAN/Model Code: SBDC101 / 4954628240781
- Release date: 2020
Key Highlights:
The SBDC101 stands out as a reissue-inspired Seiko diver that connects directly to the brand’s dive watch heritage. Its proportions are easy to wear, and the black-dial tool-watch look gives it a timeless appeal that works across different settings.
The watch’s strongest selling points are its mechanical 6R35 movement, 200-meter water resistance, and durable diver-focused construction. That combination makes it appealing to buyers who want a reliable mechanical watch with real functional credibility rather than just vintage styling.
As a JDM Prospex model, the SBDC101 is especially attractive to fans of Seiko’s classic diver lineage. It offers a strong mix of heritage, usability, and long-term appeal, which makes it one of the more recognizable modern reissue-style Seiko watches.






