Seiko Cal. 6639 - 150

Seiko 6639-150

This Spring Drive model from 1987 features a 46mm Gold-Plated case. It features a Navy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-a65d04a61811]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
13.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Navy
Jewels
28j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1987

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seikata-wm-a65d04a61811