


NAUTIKO | Sapphire Open-Heart Date
Modern complexity. Classic presence.
The Sapphire Blue Open-Heart showcases a deep striped navy dial with an open-heart movement display and a functional date window at 3 o’clock.
Paired with an integrated brushed stainless steel bracelet, this timepiece balances mechanical charm with everyday functionality.
Specifications & Material
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Diameter: 40mm
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Movement: Seiko NH38 Automatic
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Movement’s Country Origin: Japan
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Case Thickness: 12mm
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Case Material: 904L Stainless Steel
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Crystal Material: Sapphire Crystal Glass
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Water Resistance: 3ATM
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Luminous Hands: Yes
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Opened Caseback: No
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1 Year Warranty
Pairs well with

NAUTIKO | Sapphire Open-Heart Date
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