Bulova Marine Star Automatic 98A225
Auto sport · Bulova

Bulova Marine Star Automatic 98A225

Ref. 98A225 · Amazon ASIN B07NMCNT2H
Automatic (Miyota 821A)Mineral crystal100 m45 mm

The 45 mm Marine Star automatic with an open-heart dial on a blue silicone strap: Miyota 821A (hand-winding, no hacking), mineral crystal, 100 m water resistance.

Power reserve42 h
Case diameter45 mm
Warranty3 years
Amazon price · new
$440.00
List price $675.00
Value Score
74 of 100
Rank in type
5 of 7 automatic sport watches
Spec points
58
vs. type median
+33% ($331)
Amazon sales rank
#1,664 wrist watches
View 98A225 on Amazon

In stock · sold by Amazon.com. Price as of November 3, 2026, 18:15 UTC.

Specifications

What you get

Published manufacturer specifications. Fields we could not verify are left out rather than guessed.

Reference98A225
MovementAutomatic (Miyota 821A)
Power reserve42 h
Hacking / hand-windingNo / Yes
CrystalMineral
Water resistance100 m
Case diameter45 mm
Strap / braceletRubber
LumeYes
Calendardate
Warranty3 years
Value Score

How the 58 spec points add up

Value Score = 100 × √(spec points per dollar ÷ the best ratio among automatic sport watches in stock on Amazon today). Full methodology.

Automatic+24
Mineral crystal+8
100 m water resistance+12
Rubber strap+3
Luminous hands and markers+4
Date+2
Power reserve 42 h+3
3-year warranty+2
Spec points58
Alternatives

Compared with other automatic sport watches

Same type, other model families, verified Amazon prices today. See the full Automatic Sport & Everyday Watches ranking →

Watches ranked by Value Score
#WatchMovementCrystalWater res.Case diameter × lug-to-lugFits wristSpec ptsPriceValue ScoreBuy
1
Seiko 5 Sports SRPD (42.5 mm)
6 variants · priced: SRPD55
Automatic (4R36)Hardlex100 m42.5 × 46 mm≥ 16.6 cm (6.5″)68$280.00third-party100Amazon
2
Automatic (4R36)Hardlex100 m40 × 44.6 mm≥ 16.1 cm (6.3″)68$306.00third-party96Amazon
3
Citizen Tsuyosa
3 variants · priced: NJ0150-56X
Automatic (8210)Mineral50 m40 mm—58$356.2582Amazon
4
Automatic (Sistem51)—30 m42 mm—41$275.0078Amazon
5
Automatic (Miyota 821A)Mineral100 m45 mm—58$440.0074Amazon
6
Automatic (Powermatic 80)Sapphire100 m35 × 39.5 mm≥ 14.2 cm (5.6″)76$795.0063Amazon
7
Tissot PRX 40 Powermatic 80
2 variants · priced: T137.407.11.051.00
Automatic (Powermatic 80)Sapphire100 m40 × 44.5 mm≥ 16 cm (6.3″)76$850.0061Amazon

Amazon.com prices as of November 3, 2026, 18:15 UTC — details. third-party = sold by a marketplace seller, not Amazon (warranty may differ); ships later = not in stock today, never crowned best value.

FAQ

Questions about the Bulova Marine Star Automatic 98A225

How much does the Bulova Marine Star Automatic 98A225 cost on Amazon?
As of November 3, 2026, 18:15 UTC, the Bulova Marine Star Automatic 98A225 (98A225) is listed new on Amazon at $440.00, sold by Amazon.com. That is 33% above the median of the 8 automatic sport watches we track with a live price ($331). Prices change; the price shown on Amazon at checkout applies.
What is the Value Score of the Bulova Marine Star Automatic 98A225?
Value Score 74. It earns 58 spec points (Automatic (Miyota 821A), mineral crystal, 100 m water resistance) and today's price of $440.00 gives 13.2 points per $100. The score is 100 times the square root of that ratio divided by the best ratio among automatic sport watches in stock on Amazon today. The formula is published on our methodology page.
What wrist size fits the Bulova Marine Star Automatic 98A225?
The case is 45 mm across. We do not have a verified lug-to-lug figure for this reference, so we do not publish a wrist-fit estimate.
What are alternatives to the Bulova Marine Star Automatic 98A225?
Among automatic sport watches with a verified Amazon price today, the highest-scoring alternatives from other model families are: Seiko 5 Sports SRPD55 ($280.00, Value Score 100), Seiko 5 Sports SRPE57 ($306.00, Value Score 96), Citizen Tsuyosa NJ0150-56L ($356.25, Value Score 82). See the full ranking on our Automatic Sport & Everyday Watches page.
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