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Product details
Description
The Seiko Prospex Dark Depths GMT Automatic Men's Watch SPB383J1 is a professional dive watch engineered for adventurers who demand exceptional reliability both underwater and across time zones. Combining Seiko's renowned diving heritage with advanced GMT functionality, this robust timepiece is powered by the in-house Calibre 6R54 automatic movement, offering an impressive 72-hour power reserve and an independently adjustable 24-hour hand for dual-time tracking. Crafted from stainless steel with a durable ceramic bezel insert, the watch features a highly legible dial enhanced by LumiBrite-coated hands, indexes, and bezel for superior visibility in low-light conditions. Protected by a sapphire crystal with anti-reflective coating and water resistant to 200 metres, the SPB383J1 is built to withstand demanding environments while delivering refined Japanese craftsmanship and everyday versatility.
Case & crystal7
Case Size
42.0 mm Diameter × 12.9 mm Thickness × 48.6 mm Lug-to-Lug
Lug Width
20 mm
Case Material
Stainless Steel
Case Shape
Round
Glass
Sapphire Crystal
Crystal Coating
Anti-Reflective Coating on Inner Surface
Case Back
Screw Case Back
Movement3
Watch Type
Automatic GMT Diver's Watch
Movement
Automatic with Manual Winding (Calibre 6R54)
Functions
24-Hour GMT Hand (Dual Time Display), Stop Seconds Hand Function
Dial1
Luminosity
LumiBrite on Hands, Indexes and Bezel
Strap & clasp3
Band Material
Stainless Steel
Band Colour
Silver
Clasp
Three-Fold Clasp with Secure Lock, Push Button Release and Diver's Extender
General16
Brand
Seiko
Model Number
SPB383J1
Collection
Prospex
Edition
Dark Depths GMT
Accuracy
+25 / -15 Seconds Per Day
Power Reserve
Approximately 72 Hours (3 Days)
Jewels
24 Jewels
Bezel
Unidirectional Rotating Stainless Steel Bezel with Ceramic Insert
Display
Analog GMT
Crown
Screw-Down Crown
Water Resistance
200 Metres / 660 ft Diver's (20 Bar)
Magnetic Resistance
4,800 A/m
Weight
176 g
Special Features
GMT Dual Time Display, Calibre 6R54 Automatic Movement, 72-Hour Power Reserve, Ceramic Bezel Insert, Sapphire Crystal, Diver's Extension Clasp, Professional Diving Specifications
Gender
Men
Warranty
2 Years Warranty
Highlighted points
Case size: 42 mm
Movement: Automatic
Case Material: Stainless Steel
Case Shape: Round
Dial Color: Black
Water Resistent: 200m
Everything You Need to Know
Are the watches sold on Ramesh Watch Co genuine?
Yes. Ramesh Watch Co has been in watch retail since 1948 and is an authorised retailer for brands like Rado, Tissot and Seiko. We also sell Casio, Fossil, Armani Exchange, Emporio Armani, Michael Kors and many more. Every watch is 100% original and comes in the brand's original box with its warranty card.
Do the watches come with a warranty?
Yes. Every watch is covered by its brand's official warranty, and the warranty card is included in the box. If a functional or manufacturing issue comes up, we help you get it repaired or replaced through the brand's warranty.
Can I return or exchange my watch?
Yes, within these time limits:
Change of mind (you don't like the look or size): request a return within 48 hours of delivery.
Functional or manufacturing issue: request a return within 10 days of delivery.
The watch must be unused and returned with its original box, warranty card, tags and all accessories. Smartwatches cannot be returned for change of mind; issues with them are handled under the brand warranty.
How long does a refund take?
Once we receive the watch, we inspect it within 24–48 hours. After approval, we start the refund within 48 hours. The amount usually reaches your account in 5–10 working days.
Online payments (UPI, card, net banking) are refunded to the same payment method.
COD orders are refunded to your bank account by NEFT/IMPS.
A return shipping fee applies: ₹200 on orders below ₹10,000, and 2% of the product value on orders of ₹10,000 and above.
Is Cash on Delivery available? How do I contact you?
Yes, you can pay by Cash on Delivery or online (UPI, card, net banking). For order, return or product questions, call or WhatsApp us on 7674812669 / 9885300092. You can also visit our showrooms in Hyderabad.
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