Seiko Cal. 5611 - 231

Seiko 5611-231

This Spring Drive model from 1978 features a 44mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-ba405f1533df]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
13.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Silver
Jewels
28j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1978

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