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Seiko Ice Diver
$900Stock unknown
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Case
- Diameter
- 45mm
- Water resistance
- 200m
Crystal & dial
- Crystal
- Sapphire
- Lume
- LumiBrite
Movement
- Caliber
- Seiko 6R35
- Type
- Automatic
- Power reserve
- 70h
- Jewels
- 24
Seiko
Seiko's upgraded automatic caliber offering a substantial 70-hour power reserve, nearly double the 4R35 it replaces in higher-end Presage and Prospex models. The extended reserve is achieved through a longer mainspring while maintaining the same 21,600 vph beat rate. Accuracy is tightened to -15/+25 seconds per day compared to the 4R35's wider tolerance. Represents Seiko's push to compete with Swiss movements offering 80-hour reserves.
Design language
- Case shape
- round
- Dial style
- textured
- Bezel
- rotating
- Bracelet
- lug-attached
- Hands
- baton
AI-detected from the product image
Prospex Sea collection · 33 watches
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4 colorways
Market
Retail$900
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Closed · 90d1Asking-price history
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Retail stock & market context
Seiko on the secondhand market
+10.3%
2026 so far · +6.0% to +16.9% · 91 matched watches
In line with the index
Divers as a group: +6.8% · 343 matched watches
Year-by-year readings →Similar watches
Community
The Seiko Ice Diver is widely praised for its excellent value and robust build, with owners and reviewers highlighting its classic Seiko strengths in legibility and lume. Some owners find the 45mm case size substantial, with one noting it felt big, thick, and heavy on a 6.5-inch wrist, while another found it a perfect size. Overall, owners rate the Seiko Ice Diver highly for its classic design and value.
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