Seiko Cal. 3820 - 228

Seiko 3820-228

The Seiko 3820-228 represents an important milestone in Seiko's 1997 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-e38185517057]

Also known as: Sumo, Bullhead

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Navy
Jewels
19j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1997

Related Models

seikata-wm-e38185517057