Material: Stainless steel case construction, ensuring robustness and resistance to corrosion.
Size: Moderately sized case, typically around 42-44mm in diameter, offering a balanced presence on the wrist.
Finish: Combination of brushed and polished surfaces, enhancing the watch's visual appeal.
Bezel: Unidirectional rotating bezel with a ceramic insert, featuring luminous markers for accurate timing during dives.
Band/Strap:
Material: Stainless steel bracelet designed for durability and comfort during prolonged wear.
Design: Three-link bracelet with a secure folding clasp, providing a snug and adjustable fit.
Adjustment: Micro-adjustment feature for precise sizing adjustments.
Crystal: Sapphire crystal with anti-reflective coating, offering superior scratch resistance and enhanced readability.
Color: The dial of the SPB155J1 typically features a deep blue or black color, offering a sleek and versatile appearance.
Hour Markers: Applied indices or numerals, accompanied by luminescent hands and markers for optimal visibility in low-light conditions.
Date Display: Positioned at the 3 o'clock position for added functionality.
Movement:
Type: Seiko's reliable automatic movement powers the SPB155J1, ensuring accurate timekeeping without the need for a battery.
Caliber: Seiko typically equips its Prospex watches with advanced automatic movements from their in-house calibers, known for their precision and durability.
Water Resistance: The SPB155J1 boasts an impressive water resistance rating suitable for professional diving activities, typically up to 200 meters (20 ATM).
