Seiko Cal. 7178 - 250

Seiko 7178-250

This Spring Drive model from 1973 features a 44mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-9e91c6d0db05]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Silver
Jewels
31j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1973

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