Side by side

AVI-8 Spitfire Lock ChronographvsTudor Black Bay Chrono S&G

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

Spitfire Lock Chronograph
AVI-8Spitfire Lock Chronograph
MSRP $260
Black Bay Chrono S&G
TudorBlack Bay Chrono S&G
MSRP $8,525

At a glance

21 of 29 specs differ
Diameter
Spitfire Lock Chronograph42mm
Black Bay Chrono S&G41mm
Power Reserve
Spitfire Lock Chronograph40h
Black Bay Chrono S&G70h
Water Resistance
Spitfire Lock Chronograph50m
Black Bay Chrono S&G200m
MSRP
Spitfire Lock Chronograph$260
Black Bay Chrono S&G$8,525

Full specifications

Case

7 specs
Diameter
42mm
41mm
Thickness
12mm
14.4mm
Lug-to-Lug
50mm
46mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Water Resistance
50m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

5 specs
Crystal
Mineral
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
MIDNIGHT OAK
Black
Indices
Applied

Movement

8 specs
Caliber
MT5813
Type
Quartz
Automatic
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Chronograph

Pricing

1 specs
MSRP
$260
$8,525

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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.

AVI-8 Spitfire Lock Chronograph

Owners widely report AVI-8 watches offer a compelling design and are decently well made for the price. The AVI-8 Spitfire Lock Chronograph features a 42mm stainless steel case with curved lugs, a bi-compax meca-quartz movement, and a mineral crystal, with design elements inspired by Supermarine Spitfires. One owner notes that AVI-8 watches are "something different" and "decently well made," though not of "insane quality." On balance, owners and reviewers appreciate the AVI-8 Spitfire Lock Chronograph for its unique design and value proposition.

Tudor Black Bay Chrono S&G

The Tudor Black Bay Chrono S&G is widely praised for its bold, vintage-inspired two-tone design, solid modern build, and attractive price point. Owners and reviewers highlight its well-made bracelet, T-fit clasp, and compelling styling, with some noting its unique, muted gold tone that is less flashy than other gold watches. One owner reported excellent timing accuracy of +/- 1 second per day. The Tudor Black Bay Chrono S&G utilizes the MT5813 movement, a modified Breitling B01, offering a 70-hour power reserve. However, some find the 45-minute chronograph register less practical than a 60-minute counter, and the use of gold capping on the bracelet and bezel is a point of contention for some, with one user also noting faux bracelet rivets as a detractor. The watch's thickness and lug structure are also cited as potential drawbacks for wearability on smaller wrists.

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