Seiko Cal. 7143 - 392

Seiko 7143-392

The 7143-392 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-b636bc3f31d8]

Also known as: Sumo, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Navy
Jewels
25j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1969

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