Seiko
Prospex
SPB123
$725
MSRP
Specifications
Case Diameter
39.5mm
Lug to Lug
46.4mm
Thickness
13.2mm
Lug Width
20mm
Material
SS
Dial
Cream/Gold
Movement
automatic
Caliber
6R35
Crystal
Sapphire
Strap
Leather
Pricing & Fit Summary
With a lug-to-lug measurement of 46.4mm, this reference is generally recommended for wrist sizes 13.9cm and larger. Note: fit is determined by lug-to-lug distance (46.4mm), not case diameter (39.5mm).
- 39.5mm
- Diameter
- 46.4mm
- Lug to Lug
- 13.2mm
- Thickness
- 20mm
- Lug Width
- Caliber
- 6R35
- Movement
- Automatic
- Crystal
- Sapphire
- Case Material
- SS
- Dial
- Cream/Gold
- Strap
- Leather
- MSRP
- $725
- Introduced
- 2020
Perceived Size
How it wears, not just how it measures
~48mm
vs 46mm L2L
Compact (36mm)Substantial (60mm)
↑ 13.2mm case thickness adds +2mm wrist presence
Will this fit your wrist?
Slide to your wrist circumference to see the fit diagram.
Wrist circumference17 cm
12cm17cm (avg)22cm