Side by side

CWC 6BB-WRvsSeiko 5 Sports Field series

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

6BB-WR
CWC6BB-WR
MSRP $1,875
5 Sports Field series
Seiko5 Sports Field series
MSRP $450

At a glance

12 of 29 specs differ
Diameter
6BB-WR42mm
5 Sports Field series39.4mm
Power Reserve
6BB-WR40h
5 Sports Field series41h
Water Resistance
6BB-WR100m
5 Sports Field series100m
MSRP
6BB-WR$1,875
5 Sports Field series$450

Full specifications

Case

4 specs
Category
Chronograph
GMT
Diameter
42mm
39.4mm
Thickness
14.9mm
13.6mm
Lug-to-Lug
49mm
47.9mm

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Curved
Dial Color
CWC 6BB-WR
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Sellita SW510
4R34
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$1,875
$450

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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.

CWC 6BB-WR

The CWC 6BB-WR is widely praised for its legible matte black dial, strong lume, and crisp chronograph operation. Owners and reviewers note its military heritage and rugged, confidence-inspiring build with a screw-down crown and pushers. The Sellita SW510 BH b automatic movement kept time within COSC range in testing. However, its 14.9mm thickness and 80g weight make it wear large, and the cam-lever movement lacks the satisfying click of a column wheel. Fixed bars limit strap options. On balance, owners and reviewers rate the CWC 6BB-WR highly for its legible dial and robust pilot chronograph design at its price point.

Seiko 5 Sports Field series

The Seiko 5 Sports Field series offers an accessible explorer-style watch with a 41mm stainless steel case, 100m water resistance, and a Hardlex crystal. The Field GMT model features a caller GMT complication powered by the 4R34 movement, while the standard Field models use the 4R36 with a 41-hour power reserve. Both models include Arabic numerals coated in LumiBrite and a lumed pearl on the bezel. On balance, the Seiko 5 Sports Field GMT is a well-regarded entry-level explorer watch for its price point, despite its office-style GMT function.

From video reviewers

The prominent five-sided GMT hand enhances legibility and adds a sophisticated aesthetic to the watch. The Seiko 5 Sports Field series offers similar functionality to the Explorer 2 at a lower price, making it a valuable option. Reviewers disagree on whether it's a missed opportunity for Seiko to release this model first, with one reviewer implying it would have been a more logical addition to their lineup.

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