What is the diameter and length of the part that goes into the lug hole? And how long is the 22mm uncompressed?

The diameter of the spring bar is 1.8mm (Due to dimensional tolerances, the diameter will be between 1.78mm and 1.80mm). you just need to measure the lug width of your watch (or buckle width if the spring bar is to be used for a buckle) to choose the spring bar. For the 22mm spring bar, the uncompressed length is 25.1mm, the compressed length is 21.8mm.

Will the 23mm fit Citizen Navihawk and world with a nato band??

I do not know. What are the specs on the original band? Mimic those specs.

Would this fit a Rolex submariner 20mm?

This is a good question! I have watches with 20mm and 22 mm lugs. Many nice straps. I wanted a stronger solution, so I ordered 23mm pins for my 22mm Promaster Tough. IMO, the pins are stronger the longer the main 1.8mm barrel and the less extended the telescoping pins. They fit nicely, so I ordered these 21mm pins for my Invicta divers, one a 9094 used as a beater work watch with "NATO" (actually, Zulu) straps. (I cut off the dingleberry strap to shorten the wearing height by 2-3mm, thus, making a NATO from a Zulu). The 21mm pins fit, but tightly. I don't recommend doing this with an end link, too tricky.

Wellfit Watch Pins Heavy Duty Spring Bar 4 Pack Stainless

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Description

Compatibility - Designed to fit any watch that uses standard 18mm, 19mm, 20mm, 21mm, 22mm , 23mm, 24mm, 25mm, 26mm spring bars. The size you need is the same as the lug width of your watch band (or buckle width if the spring bar is to be used for a buckle).
High Quality Stainless Steel – Made of 316L stainless steel for strength and durability, keep your watch safe.
Double Flange Spring Bar - Double shoulder design allowing you to quickly and easily insert and remove for repair or adjustment.
Standard Diameter - 1.8mm thickness fits most bands and watches. (Due to dimensional tolerances, the diameter will be between 1.78mm and 1.80mm).
What You Get - 4 spring bars per package.

Made of 316L stainless steel which is allergy free and does not readily corrode, rust, or stain with water. The inner flexible spring is made of high quality spring steel, making the spring bar strong and resilient. Choice of widths: 18, 19, 20, 21, 22, 23, 24, 25, 26mm.

Specifications

Asin	B07GBNYYYF
Best Sellers Rank	#19,090 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #16 in Watch Repair Tools & Kits
Color	silver
Customer Reviews	4.5 4.5 out of 5 stars (4,184) 4.5 out of 5 stars
Date First Available	August 9, 2018
Department	unisex-adult
Item Model Number	180springbar-20
Item Weight	0.176 ounces
Manufacturer	Wellfit
Other Display Features	Wireless
Package Dimensions	4.71 x 3.15 x 0.01 inches
Special Features	durable stainless steel
Thickness	1.8 millimeters
Units	4 Count

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Wellfit Watch Pins, Heavy Duty Spring Bar, 4 Pack Stainless Steel Watch Band Pins, Choice of Widths, 1.8mm Diameter

Description

Specifications

Common Questions