Side by side

Boldr Field MedicvsLongines ULTRA‑CHRON CARBON

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Field Medic
BoldrField Medic
MSRP $299
ULTRA‑CHRON CARBON
LonginesULTRA‑CHRON CARBON
MSRP $5,550

At a glance

21 of 29 specs differ
Diameter
Field Medic38mm
ULTRA‑CHRON CARBON43mm
Power Reserve
Field Medic40h
ULTRA‑CHRON CARBON52h
Water Resistance
Field Medic200m
ULTRA‑CHRON CARBON300m
MSRP
Field Medic$299
ULTRA‑CHRON CARBON$5,550

Full specifications

Case

8 specs
Category
Tool
Diver
Diameter
38mm
43mm
Thickness
12.2mm
14mm
Lug-to-Lug
44mm
48.9mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid
Screw-down case back

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Both sides
Dial Color
I
Silver
Indices
Applied
Applied indexes

Movement

8 specs
Caliber
Seiko VK64
L836.6
Type
Quartz
Automatic
Beat Rate
28,800 vph
36,000 vph
Power Reserve
40h
52h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds

Pricing

1 specs
MSRP
$299
$5,550

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What people say

Owners + reviewers, side by side

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

Boldr Field Medic

Owners widely praise the Boldr Field Medic for its lightweight titanium case, robust build, and functional pulsometer, often highlighting its value and suitability for medical professionals. The watch is described as a solid tool watch with a crisp finish, 200m water resistance, and sapphire crystal, with some owners finding it a versatile and well-built piece that rivals more established brands. The lume is noted as visually striking but not long-lasting, and the pulsometer is seen by some as a unique decorative element or occasionally handy tool. Some owners find the watch wears small, and a few prefer a continuously running seconds hand over the pulsometer's timer function. Overall, owners rate the Boldr Field Medic highly for its practical design and robust construction at its price point.

Longines ULTRA‑CHRON CARBON

The Longines ULTRA‑CHRON CARBON is praised for its lightweight composite case and unique "Batman" aesthetic, with its 5Hz movement widely noted for exceptional accuracy. Owners widely report the high-beat movement is the cheapest 5Hz option available. Some owners find the non-rotating bezel a relief, while others consider it a deal-breaker, noting the watch is no longer a dive watch. On balance, owners and reviewers highly rate the Longines ULTRA‑CHRON CARBON for its cool, lightweight design and the exceptional accuracy of its 5Hz movement.

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