Collection: Parts for Seiko

Upgrade or restore your timepiece with our Parts for Seiko, designed as premium aftermarket components compatible with Seiko’s most popular watch platforms. Our collection includes crystals, bezels, bezel inserts, crowns, chapter rings, hands, dials, bracelets, straps, spring bars, casebacks, gaskets, and modding essentials—engineered with accurate tolerances and durable materials.

Compatible with major Seiko families such as SKX, SRPD, Turtle, Samurai, Monster, 5KX, Sumo, Alpinist, Solar Diver, NH35/NH36 builds, and a wide range of Seiko-mod platforms (fitment varies by case reference). Whether you’re restoring a vintage Seiko or building a full custom mod, our Parts for Seiko deliver reliable fitment and premium quality.

1567 products
  • Seiko (SII) NH36A Automatic Movement (BGW9 Lume White Kanji 3o'clock)
    Regular price
    $78.00
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    $78.00
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  • Seiko (SII) NH35A Automatic Movement (Black / Blue 3o'clock)
    Regular price
    $69.00
    Sale price
    $69.00
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    $69.00
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  • Seiko (SII) NH35A Automatic Movement (Red / White 3o'clock)
    Regular price
    $69.00
    Sale price
    $69.00
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    $69.00
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  • Seiko (SII) NH35A Automatic Movement (BGW9 Lume White)
    Regular price
    $78.00
    Sale price
    $78.00
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    $69.00
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  • Seiko (SII) NH35A Automatic Movement (C3 Lume White)
    Regular price
    $78.00
    Sale price
    $78.00
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    $69.00
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  • Retro GMT Dial for Seiko NH34 Mod: Matte Black No Date
    Regular price
    $50.00
    Sale price
    $50.00
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    $110.00
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  • Retro Matte Black Sub Date Dial for Seiko Mod: Red SD-SUB2000
    Regular price
    $55.00
    Sale price
    $55.00
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    $110.00
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  • Relax Dial for Seiko Mod: Matte Black
    Regular price
    $55.00
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    $55.00
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    $65.00
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  • Original Stainless Steel Bracelet for Seiko Prospex Tuna SBBN031 / SBBN033 / SBBN045 / SBBN049
    Regular price
    $179.90
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    $179.90
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  • Nylon Silicone Diver Strap for Seiko 5 Street Fighter Prospex Series - Black White
    Regular price
    $39.90
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    $39.90
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  • MOP Dial for Seiko Mod
    Regular price
    $65.00
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    $65.00
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    $110.00
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  • MM300 Watch Hands for Seiko Mod: Silver
    Regular price
    $22.00
    Sale price
    $22.00
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    $39.00
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  • Matte Black Marine Master Style Diver Dial for Seiko Mod: Silver Marine Master Indices
    Regular price
    $49.00
    Sale price
    $49.00
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    $65.00
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  • Marine Master Dial for Seiko Mod
    Regular price
    $55.00
    Sale price
    $55.00
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    $110.00
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  • Marine Master Dial for Seiko Mod
    Regular price
    $55.00
    Sale price
    $55.00
    Regular price
    $110.00
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  • Marine Master Dial for Seiko Mod
    Regular price
    $55.00
    Sale price
    $55.00
    Regular price
    $110.00
    Unit price
    per 
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