Description
Description
The SEIKO PROSPEX SBEJ029 is a Japan Made Core Shop exclusive Mechanical Diver’s 1968 Heritage GMT model from the Diver Scuba series. Inspired by SEIKO’s first 300 m diver from 1968, it combines a clean white dial, red GMT hand, ceramic bezel insert, and stainless steel case with Diashield coating for a refined professional diver look.
Powered by Caliber 6R54 Mechanical Automatic movement, the watch offers manual winding, stop-seconds functionality, 24-hour GMT hand, dual time display, 24 jewels, and an approx. 72-hour power reserve. Its 300 m air diver’s water resistance, screw-down crown, screw case back, sapphire crystal, and LumiBrite visibility support serious diver performance.
With its white dial, silver bracelet, and Core Shop exclusive positioning, the SBEJ029 offers stronger collector appeal than standard PROSPEX models. It is a premium JDM GMT diver for buyers seeking authentic Japanese craftsmanship, practical travel functionality, and true SEIKO diver heritage.
Key Specifications
- Product Name: SEIKO PROSPEX Mechanical Diver’s 1968 Heritage GMT
- Model Code: SBEJ029
- Series: Diver Scuba
- Case: 13.3 mm thickness × 42.0 mm diameter × 48.6 mm lug-to-lug, 188.0g, stainless steel with Diashield coating
- Bezel: Unidirectional rotating bezel with ceramic insert
- Band: Stainless steel bracelet, one-push diver adjuster clasp with double-lock
- Wrist size: Up to 200.0 mm
- Band width: 20 mm
- Water resistance: 300 m air diver’s water resistance
- Movement: Caliber 6R54 Mechanical Automatic GMT, manual winding compatible
- Jewels: 24 jewels
- Power: Automatic winding with manual winding; approx. 72-hour power reserve
- Accuracy: +25 to -15 seconds per day
- Display: Analog white dial with red GMT hand
- Functions: 24-hour GMT hand, dual time display, stop-seconds function, manual winding
- Special features: Core Shop exclusive model, 1968 Heritage design, Diashield coating, ceramic bezel insert, screw-down crown, screw case back, magnetic resistance
- Illumination: LumiBrite on hands, indexes, and bezel
- Glass: Sapphire crystal with inner anti-reflective coating
- Origin: Japan Domestic Market (JDM), Made in Japan
- Warranty: 3-year official manufacturer warranty in Japan
- Release date: June 6, 2025
Key Highlights
The SBEJ029 stands out as a Core Shop exclusive SEIKO PROSPEX GMT diver with a clean white dial and red GMT hand. Compared with standard black diver models, it offers a brighter, more refined appearance while preserving professional diver functionality.
Its Caliber 6R54 automatic GMT movement provides practical travel utility with a 24-hour hand, dual time display, manual winding, stop-seconds function, and an approx. 72-hour power reserve.
For serious use, the watch features 300 m air diver’s water resistance, sapphire crystal, ceramic bezel insert, screw-down crown, LumiBrite visibility, and a newly practical diver adjuster clasp.
Within the SEIKO PROSPEX Diver Scuba lineup, this Japan Made JDM model is a strong choice for buyers seeking 1968 diver heritage, GMT functionality, premium Japanese craftsmanship, and Core Shop exclusive appeal.
Short Promo Line
SEIKO PROSPEX 1968 Heritage GMT / Core Shop Exclusive / Japan Made 300m Diver Watch










