Seiko

Prospex

SRPH99
$550
MSRP

Specifications

Case Diameter
42.4mm
Lug to Lug
45.2mm
Thickness
11.7mm
Lug Width
20mm
Material
SS (Black)
Dial
Black
Movement
automatic
Caliber
4R35
Crystal
Sapphire
Strap
Fabric

Pricing & Fit Summary

With a lug-to-lug measurement of 45.2mm, this reference is generally recommended for wrist sizes 13.6cm and larger. Note: fit is determined by lug-to-lug distance (45.2mm), not case diameter (42.4mm).

42.4mm
Diameter
45.2mm
Lug to Lug
11.7mm
Thickness
20mm
Lug Width
Caliber
4R35
Movement
Automatic
Crystal
Sapphire
Case Material
SS (Black)
Dial
Black
Strap
Fabric
MSRP
$550
Introduced
2022

Perceived Size

How it wears, not just how it measures

~47mm

vs 45mm L2L

Compact (36mm)Substantial (60mm)

11.7mm case thickness adds +1.8mm wrist presence

Will this fit your wrist?

Slide to your wrist circumference to see the fit diagram.

Wrist circumference17 cm
12cm17cm (avg)22cm