Seiko Cal. 7143 - 187

Seiko 7143-187

The 7143-187 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-7f9d6c5c0b5c]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Silver
Jewels
19j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1991

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