Seiko SRP777 Watch Review Summary
My rating: 8.5/10. Seiko 5 SRP777 watch, also known as the SRP777K1. Affordable automatic diving timepiece.
Hello, today I’m doing a Seiko SRP777 review. This is a popular Seiko diver that recently featured in our 25 best Seiko dive watches for men. The Seiko Turtle features this large interestingly shaped casing design that many people love the look of. It’s also diver’s 200m rated making it ideal for most diver’s needs. If you’re looking for the best affordable dive watch, the Seiko Turtle is a common choice.
I hope you enjoy this Seiko SRP777 review below.
You may also like my: 100 Best Watches Under £500
Latest reviews, ratings and prices: Seiko SRP777 watch
At the bottom of this article, you can find a list of my recommended retailers to purchase this watch from
Seiko SRP777 Watch Review
This Seiko SRP777 is a very well known diving timepiece. It features this high visibility display with bold hour markers and hands that are coated in lume for excellent visibility in dim lit conditions.
The bezel is black in colour and can be rotated unidirectionally. It has minute numbering on the bezel.
Seiko SRP777 Type Of Crystal
The Seiko Turtle features a Hardlex crystal glass to protect the dial. This type of glass is known to be tougher than mineral crystal glass and offers you a pretty good amount of scratch and knock resistance.
Seiko SRP777 Watch Movement
Powering the Seiko Turtle is a 24 jewel automatic Seiko 4R36 movement. This movement has a 41 hour power reserve and features both manual winding and hacking. It beats at 21,600 BPH give it a really smooth 6 ticks per second movement.
Seiko SRP777 Watch Size
This Seiko diver has a 44mm casing diameter (not including the crown). The thickness is rather chunky at 14mm too. The Seiko Turtle is known for its large profile.
Seiko SRP77 Strap
The strap of this model is made of a robust rubber and has a width of 22mm. The band can be replaced if you wish to do so. The strap fastens with a standard buckle style clasp.
Seiko SRP777K1 Water Resistance Rating
This Seiko watch has a diver’s 200m water resistance rating which is the very good to see. A Diver’s 200m or 20 bar rating makes this watch suitable for scuba diving at depths not suitable for saturation diving.
Seiko SRP777 Watch Specifications
- Band: Stainless steel strap, standard length, 22mm width, fold over style clasp.
- Case: Stainless steel casing, sizing diameter: 44mm and thickness: 14mm.
- Dial: Analogue display. Hardlex crystal glass window lens.
- Movement: Japanese Automatic movement.
- Water Resistant: A water resistance of up to diver’s 200m / 20 bar.
Seiko SRP777 Watch Advantages
- High visibility display
- Luminous hands
- Diver’s 200m water resistance rating
- Day and date display
- Hardlex crystal
- Popular 4R36 Japanese automatic movement
Seiko SRP777 Watch Disadvantages
- Due to the larger casing size at 44mm, this watch may not be suitable for people with smaller wrists
My Final Thoughts On This Seiko SRP777 Review:
It’s well worth checking out my 14 Best Seiko 5 watches where you can take a look at many of the top timepieces from Seiko.
The Seiko Turtle is an extremely popular diving watch with quite a big following. The watch features an excellent diver’s 200m rating as well as a reliable and accurate automatic movement.
After looking into the watch design, quality, features, and pricing this watch received a 8.5/10 from us at The Watch Blog.
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Where to buy the Seiko SRP777
I like to stick to listing retailers that I’ve actually had experience buying from in the past. Below I’ve listed some of the top places to buy this watch from, check all for the best price. Variations of this watch include: Seiko SRP777, Seiko SRP777K1.
Buy now at Amazon
Buy at Watch Shop Unavailable
Hope you enjoyed this Seiko SRP777 review. Why not read my Steinhart watches review next.