Seiko Cal. 7184 - 421

Seiko 7184-421

The 7184-421 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-b09b666e50e6]

Also known as: Bullhead

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
12.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
130m
Dial Color
Silver
Jewels
32j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1978

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