Seiko Cal. 4440 - 384

Seiko 4440-384

The 4440-384 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-0da4a8289192]

Also known as: Crown

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
37mm
Case Thickness
10.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Champagne
Jewels
21j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1986

Related Models

seikata-wm-0da4a8289192