Bido Watches
CUSTOM SEIKO MOD GS SPORT GMT BLACK RONDA 515.H QUARTZ MEN'S WATCH
Leaves our US facility within 2 business days.
Typical US delivery: 2–5 business days once shipped, tracked.
- QC-checked before shipping
The story
CUSTOM SEIKO MOD GS SPORT GMT BLACK RONDA 515.H QUARTZ MEN'S WATCH
Seiko Mod GS Style "Sport Black GMT" (38mm)
A bold custom build inspired by GS’s iconic Sport Collection GMTs, featuring a deep black dial contrasted by a vibrant orange GMT hand for tracking a second time zone. Designed for rugged elegance in versatile 38mm proportions, this build pairs luminous silver hands and indices with a fixed 24-hour bezel, solid lion-engraved caseback, and a reliable quartz GMT caliber. Comes complete with a protective travel pouch.
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Dial: Black dial, date window at 3 o'clock, luminous razor-sharp silver hands, high-contrast orange GMT hand, applied geometric silver hour markers with luminous inserts, and outer minute track
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Movement: Ronda 515.24H Swiss-parts quartz GMT movement
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Case & Bezel: 38mm solid silver stainless steel Sport-style case, fixed (non-rotating) stainless steel 24-hour bezel, and screw-down crown
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Caseback: Solid silver stainless steel screw-down caseback engraved with the iconic GS lion logo
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Glass: Scratch-resistant sapphire crystal
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Bracelet: Solid silver stainless steel bracelet with fold-over deployment clasp
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Packaging: Includes custom watch travel pouch
EXCELLENT UNUSED CONDITION NEW
NEW WITH NO BOX OR PAPER, JUST A POUCH
PLEASE CHECK THE PICTURES FOR MORE DETAILS
Quality control
Every watch passes a documented multi-stage inspection — parts, assembly, function and a final visual check — before it ships.
Shipping
PLACEHOLDER — confirm before launch: Ready-to-ship watches leave our US location within 1–2 business days with tracked shipping.
Warranty
Every watch is covered by a 12-month limited warranty against defects in materials and workmanship under normal use — including movement, dial or hand, and case or bracelet manufacturing defects. Excludes normal wear, misuse, unauthorized service, and water damage beyond the stated rating. Implied warranties are limited to this same 12-month period where permitted by law. Full terms on the warranty page.
Returns
15-day returns on watches in original condition — unworn beyond initial try-on, in original packaging with all included items. Return shipping is the customer's responsibility unless the item arrived damaged or we made an error. Full terms on the returns page.