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 $900

At a glance

14 of 29 specs differ
Diameter
Field Medic38mm
Prospex Sea41mm
Power Reserve
Field Medic40h
Prospex Sea70h
Water Resistance
Field Medic200m
Prospex Sea200m
MSRP
Field Medic$299
Prospex Sea$900

Full specifications

Case

5 specs
Category
Tool
Diver
Diameter
38mm
41mm
Thickness
12.2mm
12.3mm
Lug-to-Lug
44mm
46.9mm
Material
Titanium
Stainless Steel

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
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
6R35
Type
Quartz
Automatic
Power Reserve
40h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$299
$900

Follow this matchup

Get a note when Boldr Field Medic vs Seiko Prospex Sea gets more votes, a community discussion, or a price drop. No account needed.

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

Owners widely praise the Seiko Prospex Sea for its excellent lume, robust build, and value, with many highlighting the comfortable 4 o'clock crown and reliable movements. Reviewers note impressive case finishing and attractive dials, with specific models lauded for their gradient blue designs and smooth bezel actions. Accuracy figures vary, with one owner reporting +9 seconds/day after demagnetization, while others find the watches to be good first "proper" watches. Some owners find the stock rubber straps uncomfortable or the overall size substantial on smaller wrists. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its combination of strong dive watch functionality and appealing design at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.