Seiko Cal. 4478 - 141

Seiko 4478-141

The 4478-141 is a sought-after Spring Drive piece from Seiko's golden era. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-002e75d058dc]

Also known as: Bullhead, Helmet

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
38mm
Case Thickness
10.1mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Green
Jewels
35j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1972

Related Models

seikata-wm-002e75d058dc