Specs & Features
| Case diameter | 45 mm |
|---|---|
| Lug/strap width | 22 mm |
| Movement | Caliber 4R36 |
| Case material | stainless steel |
| Strap material | blue silicone |
| Crystal | sapphire |
| Bezel | ceramic unidirectional |
| Water resistance | 200 m |
Did we save the best for last? Maybe, with this absolutely gorgeous SRPF77 “Manta Ray” Diver. Just like the SRPE33 above, this watch face positively glows, with a rich, dark, gradated blue, graced by several manta rays in the foreground. The blue of the dial is meant to evoke variations in sunlight as it penetrates the ocean’s surface, and we daresay it succeeds.
Other aesthetic features include a black ceramic unidirectional bezel, a magnified day/date calendar, and LumiBrite hands and markers.
Inside the watch, the 24-jewel automatic movement beats at a frequency of 21,000 vibrations per hour, with a power reserve of around 41 hours.
Rounding out this beauty, you’ll find a screwdown crown and caseback, anti-reflective sapphire crystal, and deep blue silicone strap to match the blue of the watch face. And at around $430, we know we’re sold.
To help you find a Seiko Dive Watch that will fit your needs, we’ve tested, researched, and reviewed the best ones available today.
We test both in the water, diving in various conditions - and in our lab - so we can give you accurate answers on quality, performance, and the overall value.
Read about our test of Seiko Dive Watchs
Take a moment to look at this.

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