Seiko Cal. 4438 - 820

Seiko 4438-820

The 4438-820 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-376b3d2551c8]

Also known as: Helmet, Rally

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
8.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
140m
Dial Color
Cream
Jewels
24j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1998

Related Models

seikata-wm-376b3d2551c8