Seiko

Prospex

SLA021
$3,100
MSRP

Specifications

Case Diameter
44.3mm
Lug to Lug
50.5mm
Thickness
15.4mm
Lug Width
20mm
Material
SS
Dial
Black
Movement
automatic
Caliber
8L35
Crystal
Sapphire
Strap
Bracelet

Pricing & Fit Summary

With a lug-to-lug measurement of 50.5mm, this reference is generally recommended for wrist sizes 15.2cm and larger. Note: fit is determined by lug-to-lug distance (50.5mm), not case diameter (44.3mm).

44.3mm
Diameter
50.5mm
Lug to Lug
15.4mm
Thickness
20mm
Lug Width
Caliber
8L35
Movement
Automatic
Crystal
Sapphire
Case Material
SS
Dial
Black
Strap
Bracelet
MSRP:
$3,100
Introduced:
2018

Perceived Size

How it wears, not just how it measures

~53mm

vs 51mm L2L

Compact (36mm)Substantial (60mm)

15.4mm case thickness adds +2.3mm wrist presence

Will this fit your wrist?

Slide to your wrist circumference to see the fit diagram.

Wrist circumference17 cm
12cm17cm (avg)22cm