The Ancient Hour
(1965) Vintage Rare Seiko Lord Marvel “King Seahorse”
(1965) Vintage Rare Seiko Lord Marvel “King Seahorse”
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Vintage Rare Seiko Lord Marvel “King Seahorse”
Manufactured in 1965
A true icon from Seiko’s golden era, the Lord Marvel King Seahorse represents precision, heritage, and understated power. Produced in 1965, this model carries the legendary 5740 hand-winding movement — a caliber respected by collectors for its reliability and historical importance in Seiko’s mechanical evolution.
The standout feature is the rare King Seahorse caseback, a signature emblem that adds serious collector appeal. With its balanced 36mm case and strong vintage presence, this piece perfectly blends dress elegance with 1960s character. Recently serviced and running strong, it’s a timeless mechanical treasure.
⚙️ Features
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Seiko Caliber 5740 hand-winding movement
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Rare King Seahorse caseback
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Recently serviced
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Classic 1960s vintage design
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Strong collector value
📐 Measurements
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Case size: 36mm
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Lug-to-lug: 42mm
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Thickness: 10mm
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Lug width: 19mm
A rare opportunity to own a historic Seiko mechanical from 1965 — pure vintage craftsmanship on the wrist.
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| Item Number | |
| Bezel Color | |
| Movement | 5740 |
| Reference Number | |
| Band/Strap | |
| Vintage | Yes |
| Brand | Seiko |
| Case Color | |
| Department | Mens |
| Type | |
| Band Color | |
| Dial Color | |
| Lug Width | 19mm |
| Model | Lord Marvel |
| Band Width | 19mm |
| Case Size | 36mm |
| Case Material | Stainless steel |
| Country/Region of Manufacture | Japan |
| Display | Analog |
| Category |
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Has this been authenticated?
All watches at The Ancient Hour are guaranteed authentic by our trusted watchmakers and us. Certificate included!
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Has this been serviced?
All watches at The Ancient hour are professionally serviced before being offered at our shop. Servicing is done by our trusted watchmakers and gone through very capable hands.
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Mechanical guarantee?
Each watch comes with a 1-year mechanical warranty so if anything goes wrong, please let us know immediately.
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Inspection period?
We definitely want you to love your watch, so you always have 14 days to fall in love or return to The Ancient Hour, no questions asked.
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How much is the shipping?
We exclusively deliver worldwide via UPS Courier service which is free for you.
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General care?
Given that most of our watches are around half a century old, they will need to be treated with extra love and care, and they require servicing every 4-5 years.