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The Seiko Caliber 5126 is a vintage 23-jewel automatic movement produced by Seiko's Daini/Kameido factory from 1967 to 1971, while numbers like 7090 typically denote a specific case configuration (frequently associated with models like the King Seiko 5626-7090 rather than a standard 5126-7090 reference).
As detailed by Mizeni, “Seiko caliber 5126 is an automatic watch movement. Production started around 1969 and production finished in 1971.
”Movement & FeaturesJewels: 23 JewelsFrequency: 19,800 bph (beats per hour)Functions: Automatic winding, day and date display.Quickset: Date-only quickset mechanism (the day is changed by passing the hands past midnight).
Shipping & Handling
Handling Time: 3–5 business days
Estimated Delivery: 10–15 business days
All items are carefully packaged to ensure safe delivery.
Returns
We offer a 30-day return policy with a 100% money-back guarantee (excluding shipping costs).
Items must be unused, unaltered, and in original condition.
Returns will not be accepted for items that have been modified or damaged after delivery.
Please contact us before initiating a return to receive proper instructions.
Refunds are processed within 1–2 business days after the returned item is received and inspected.
Sizing issues do not qualify for return eligibility.
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