![[Serviced] 1977 Seiko Mechanical Matte Blue Dial Men's Wrist-Watch 1981 Seiko Quartz REF: 7123-8510-P](https://cdn.shopify.com/s/files/1/0561/9810/3121/files/MG_4802_f4b29eb6-c9a3-4947-b87a-9a84b8199cbc.jpg?v=1766184825)
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1981 Seiko Quartz REF: 7123-8510-P
the crystal has a scratch near the 1 o’clock position
that being accuracy & longevity
Note: Despite this being a diver's watch this watch should not be considered waterproof or resistant to deep levels as it is a vintage watch
Housing this watch is a truly unique case with a sandblasted finish
[Serviced] 1977 Seiko Mechanical Matte Blue Dial Men's Wrist-Watch 1981 Seiko Quartz REF: 7123-8510-P1977 Seiko Mechanical REF: 6300 8009 Matte blue dial with mirror polished indices and hands. Seiko 6300 17 jewel manual wind movement. Stainless steel case that sits on the wrist comfortably. Size: 36mm diameter (37mm with crown), 9mm height, 19mm lug width. Movement condition: Movement condition: The movement was serviced in November of 2025 and is currently running at 5 8 seconds per day, amplitude of 230 240 and a beat error of 0. 2MS. Condition:
