Seiko Cal. 4421 - 378

Seiko 4421-378

This Spring Drive model from 1988 features a 41mm PVD Black case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-b2290a8aaed7]

Also known as: Panda, Bullhead

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
41mm
Case Thickness
14.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
White
Jewels
23j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1988

Related Models

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