Seiko Cal. 7158 - 239

Seiko 7158-239

This Spring Drive model from 1971 features a 37mm Gold-Plated case. It features a White dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-f6735a43e5df]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
12.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
White
Jewels
23j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1971

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