Casio EFB-730DvsBoldr Field Medic

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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.

Casio EFB-730D at true scale

EFB-730D

Boldr Field Medic at true scale

Field Medic

Diameter

40mm

38mm

Lug-to-Lug

47mm

44mm

lowest

Thickness

11mm

lowest

12.2mm

Water Resistance

100m

200m

highest

MSRP

$165

lowest

$299

Movement

Quartz

Seiko VK64

Case

8 specs
Category
Chronograph
Tool
Diameter
40mm
38mm
Thickness
11mm
12.2mm
Lug-to-Lug
47mm
44mm
Lug Width
n/a
20mm
Material
Stainless Steel
Titanium
Finish
n/a
n/a
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
No
Yes
Dial Color
Black
I
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
n/a
Seiko VK64
Power Reserve
n/a
0h

Pricing

1 specs
MSRP
$165
$299
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Casio EFB-730D

Owners widely praise the Casio EFB-730D for its 40mm size, which is considered perfect for smaller to medium wrists and versatile for strap changes with its 20mm lug width. The subtle sunburst blue dial is noted as classy and better in person than in photos, and the overall finish is considered quite good for the price. Some owners find the constantly running central seconds hand impractical, while others appreciate its straightforward Casio quartz reliability and value around $150. One owner reported the second hand sticking on the minute hand, and another found the 47mm lug-to-lug measurement wore larger than expected. Overall, owners rate the Casio EFB-730D highly for its comfortable wearability and attractive design at the price point.

Boldr Field Medic

Owners widely praise the Boldr Field Medic for its toolish aesthetic, lightweight titanium case, and functional pulsometer, making it a practical and versatile choice for medical professionals. Many appreciate its crisp finishing and robust build, with one owner noting it remains "rock solid" despite heavy use. The lume is described as cool and bright but fades quickly, and some find the pulsometer more decorative than practical, preferring a continuously running seconds hand. While generally considered well-sized at 38mm, a few owners find it a bit small. Overall, owners rate the Boldr Field Medic highly for its excellent value and functionality as a dedicated tool watch.

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