# item.guide
Side-by-Side Comparison Accessories

Sock Sizes vs. Watch Strap & Lug Sizes

Comparing 2 standards across 14 specifications. 14 key differences identified.

Comparing:
Sock Sizes
Watch Strap & Lug Sizes

Sock sizes represent the physical length of the sock foot in inches (e.g., standard Size 9-11 or Size 10-13), mapped directly to US Men's, US Women's, and European shoe sizes to prevent heel slippage and toe constriction.

View full Sock Sizes spec sheet →

Watch strap sizing is defined by lug width (the internal distance between watch case horns, standardized at 18, 20, 22, and 24 mm), buckle taper width, and two-piece strap lengths (Standard 120/80 mm for 6.5–7.5" wrists).

View full Watch Strap & Lug Sizes spec sheet →

Specification Comparison Table

14 Parameters
Parameter / Spec
Governing Standards
The Hosiery Association / SATRA Footwear Standards
Sock Size Number Meaning
Sock foot length in inches (e.g., '10-13' fits feet 10 to 13 inches long)
Women's Standard (9–11)
Fits US Women's Shoe 5 to 10 (US Men's 3.5–8.5 / EU 35–41)
Men's Standard (10–13)
Fits US Men's Shoe 8 to 12.5 (US Women's 9.5–14 / EU 41–46)
Big & Tall (13–15)
Fits US Men's Shoe 13 to 16 (EU 47–50)
Kids Sizing Scale
Baby (0–6M, 6–12M), Toddler (Shoe 5–8.5), Youth (Shoe 9–2.5), Junior (Shoe 3–6)
Primary Spec Landmark
Lug width (internal distance between watch case horns in mm)
Standard Lug Width Tiers
18 mm, 19 mm, 20 mm, 21 mm, 22 mm, 24 mm (20mm & 22mm dominate ~80% of market)
Buckle Taper Standard
Straight (e.g. 20/20mm) vs Tapered (e.g. 20/18mm, 20/16mm, 22/20mm, 22/18mm)
Standard Two-Piece Length (Regular)
120 mm (long tail) / 80 mm (buckle end) | Fits 6.5" to 7.5" (165–190 mm) wrists
Short Strap Length
110 mm / 70 mm | Fits 5.75" to 6.5" (145–165 mm) wrists
Long Strap Length
130 mm / 90 mm | Fits 7.5" to 8.5" (190–215 mm) wrists
Single-Pass NATO Strap Length
260 to 290 mm (10.2 to 11.4 in) total length
Spring Bar Diameter
1.5 mm (dress), 1.78 mm (standard), 2.0–2.5 mm (ISO 6425 dive watch fat bars)