Bulova Series X 98B358vsSwiss Hypertec Hyperbar Sapphire

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Series X 98B358
BulovaSeries X 98B358

Ref. 98B358.html

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Buy from Bulova Used on eBay
Hyperbar Sapphire
Swiss HypertecHyperbar Sapphire

Ref. HSA-ST

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Buy from Swiss Hypertec Used on eBay

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Bulova Series X 98B358 at true scale

Series X 98B358

Swiss Hypertec Hyperbar Sapphire at true scale

Hyperbar Sapphire

Diameter

45mm

47mm

Water Resistance

300m

2000m

highest

Movement

NN50

Swiss quartz (gold-plated)

Case

4 specs
Diameter
45mm
47mm
Finish
n/a
Stainless Steel
Water Resistance
300m
2000m
Caseback
n/a
Screw-down, serially numbered

Crystal & Dial

2 specs
Dial Color
n/a
Black
Lume
None
Superluminova

Movement

1 specs
Caliber
NN50
Swiss quartz (gold-plated)
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