Seiko
Seiko
Prospex Marinemaster Save the Ocean
HBF003J1
Read the review
Elliot Hammer / Temporal Works
Temporal Works
Series A: Romanesque
Not specified
Read the reviewOn a small screen, scroll the table sideways.
Prices come from the reviews in their original currency and market. Article dates are shown below.| Specification | SeikoProspex Marinemaster Save the Ocean | Temporal WorksSeries A: Romanesque |
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| Reference | HBF003J1 | Not specified |
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| Winding | Automatic winding | Manual winding |
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| Calibre | 8L45 | Sellita SW210-1 b D4 |
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| Diameter | 42,6 mm | 37 mm |
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| Size / thickness | 42.6 × 14.1 mm | 37 × 10 mm |
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| Power reserve | 72 h | 42 h |
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| Case material | Steel, 42.6 × 14.1 mm | Steel, 37 × 10 mm |
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| Functions | Not stated in the review | Not stated in the review |
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| Crystal | Not stated in the review | Not stated in the review |
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| Water resistance | Diver, 300 m | Not stated in the review |
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| Price and market | Not stated in the review | Price: $2,500 |
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Seiko · Prospex Marinemaster Save the Ocean
Strengths
The bracelet's broad adjustment range is more practical than decorative details: fit can be changed in small steps.
Things to consider
At 14.1 mm thick, the case retains substantial height; this is not a compact version.
Temporal Works · Series A: Romanesque
Strengths
The sandwich construction turns a graphic experiment into physical relief while keeping the case compact.
Things to consider
The manufacturer allows a rate of ±20 seconds per day; this model places its strongest emphasis on design.
