Seiko Cal. 5237 - 143

Seiko 5237-143

The 5237-143 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-17c073d8b991]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
14.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Silver
Jewels
26j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1969

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