description Seiko Prospex SPB153J1 Overview
Seiko Prospex SPB153J1, a Japanese-made automatic high-beat diver rated to 200 meters, featuring a sapphire crystal and in-house caliber.
help Seiko Prospex SPB153J1 FAQ
What movement is inside the Seiko Prospex SPB153J1?
The SPB153J1 is powered by the Seiko in-house Caliber 6R35 automatic movement. This movement features a power reserve of approximately 70 hours and operates at a standard 21,600 vibrations per hour (vph).
Does the Seiko SPB153J1 have a screw-down crown and sapphire crystal?
Yes, the SPB153J1 includes a screw-down crown that contributes to its ISO-certified 200-meter water resistance rating. It is also fitted with a scratch-resistant sapphire crystal that features an anti-reflective coating on the inner surface.
What is the size of the Seiko Prospex SPB153J1 "Save the Ocean" watch?
The stainless steel case of the SPB153J1 measures 40.5 millimeters in diameter, making it highly wearable for a dive watch. It has a thickness of roughly 13.4 millimeters and features a lug-to-lug distance of 47.5 millimeters.
What is the "J1" designation at the end of Seiko Prospex SPB153J1?
The "J1" suffix indicates that the watch was assembled in Japan, distinguishing it from the standard SPB153 models that may be assembled elsewhere. The dial will typically feature the "Made in Japan" text at the 6 o'clock position.
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