Side by side

Seiko 5 Sports Field seriesvsYema Navygraf Heritage

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

5 Sports Field series
Seiko5 Sports Field series
MSRP $315
Navygraf Heritage
YemaNavygraf Heritage
MSRP $990

At a glance

13 of 29 specs differ
Diameter
5 Sports Field series39.4mm
Navygraf Heritage39mm
Power Reserve
5 Sports Field series41h
Navygraf Heritage40h
Water Resistance
5 Sports Field series100m
Navygraf Heritage100m
MSRP
5 Sports Field series$315
Navygraf Heritage$990

Full specifications

Case

6 specs
Category
Sport
Diver
Diameter
39.4mm
39mm
Thickness
13.2mm
10.85mm
Lug-to-Lug
48.1mm
46mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
Crystal
Hardlex
Sapphire
Crystal Shape
Curved
Flat
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
4R36
Sellita SW200
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$315
$990

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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 5 Sports Field series

The Seiko 5 Sports Field series is praised for its value, offering an accessible explorer-style watch with a GMT complication and excellent legibility thanks to LumiBrite on the dial and bezel. The watches feature a 41mm stainless steel case, 100m water resistance, and are powered by either the 4R36 or 4R34 movement, both with a 41-hour power reserve. One reviewer notes the inclusion of a compass bezel with a lumed pearl and fully lumed Arabic numerals on the dial for the non-GMT models. Overall, reviewers consider the Seiko 5 Sports Field GMT models good value under 500 euros.

Yema Navygraf Heritage

Owners widely praise the Yema Navygraf Heritage for its comfortable 39mm wearability and faithful 1970s reissue design, noting craftsmanship better than expected. Some owners report quality control issues including bezel free play and misalignment, while others find the bezel very tight to turn despite precise 120 clicks. The in-house MBP2000 movement is noted by some to be loud and run approximately +10 to +15 seconds per day. On balance, owners appreciate the Yema Navygraf Heritage for its retro aesthetic and comfortable sizing, with noted concerns around movement accuracy and bezel action.

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