Seiko Cal. 4440 - 510

Seiko 4440-510

This Automatic model from 1984 features a 42mm PVD Black case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-7262bed7f141]

Also known as: Sumo, Arnie

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
42mm
Case Thickness
10.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Green
Jewels
21j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1984

Related Models

seikata-wm-7262bed7f141