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Seiko SBDY099

Prospex Fieldmaster Land Tortoise

Land Tortoise
2021 –present
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The SBDY099 is a JDM (Japanese Domestic Market) version of the Prospex Fieldmaster, nicknamed 'Land Tortoise' due to its case design resembling Seiko's famous Turtle dive watches. It features a sapphire crystal with anti-reflective coating and Seiko's Lumibrite luminous material for enhanced visibility.

Specifications
Case Diameter 42.4 mm
Case Height 11.7 mm
Case Material stainless steel
Case Shape round
Case Back screw_down
Water Resistance 200m
Crystal sapphire
Bezel Type fixed
Bezel Material stainless steel
Dial Color black
Dial Indexes applied
Dial Hands arrow
Bracelet/Strap nato
Bracelet Material nylon
Clasp pin_buckle
Complications date
Movement
Movement Caliber 4R35
Type automatic
Power Reserve 41 hours
Frequency 21,600 vph
Jewels 23
Functions hours, minutes, seconds, date, day

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