Side by side

Boldr Field MedicvsSeiko Prospex Sea

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

Field Medic
BoldrField Medic
MSRP $299
Prospex Sea
SeikoProspex Sea
MSRP $625

At a glance

14 of 29 specs differ
Diameter
Field Medic38mm
Prospex Sea43.8mm
Power Reserve
Field Medic40h
Prospex Sea41h
Water Resistance
Field Medic200m
Prospex Sea200m
MSRP
Field Medic$299
Prospex Sea$625

Full specifications

Case

6 specs
Category
Tool
Diver
Diameter
38mm
43.8mm
Thickness
12.2mm
12.8mm
Lug-to-Lug
44mm
48.7mm
Lug Width
20mm
22mm
Material
Titanium
Stainless Steel

Crystal & Dial

3 specs
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
I
Black
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
Seiko VK64
4R35
Type
Quartz
Automatic
Power Reserve
40h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$299
$625

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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.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

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