Side by side

Seiko Prospex SeavsZelos Swordfish Field 38

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

Prospex Sea
SeikoProspex Sea
MSRP $625
Swordfish Field 38
ZelosSwordfish Field 38
MSRP $399

At a glance

13 of 29 specs differ
Diameter
Prospex Sea43.8mm
Swordfish Field 3838mm
Power Reserve
Prospex Sea41h
Swordfish Field 3840h
Water Resistance
Prospex Sea200m
Swordfish Field 38200m
MSRP
Prospex Sea$625
Swordfish Field 38$399

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
43.8mm
38mm
Thickness
12.8mm
12mm
Lug-to-Lug
48.7mm
38mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Bronze
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
4R35
Seiko NH35
Power Reserve
41h
40h
Jewels
23
25

Pricing

1 specs
MSRP
$625
$399

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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.

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.

Zelos Swordfish Field 38

Owners widely praise the Zelos Swordfish Field 38 for its comfortable dimensions, noting they are acceptable both on paper and in practice. The Seiko NH35 movement is highlighted for its exceptionally smooth winding feel. On balance, owners rate the Zelos Swordfish Field 38 highly for its value and comfortable wearability.

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