Seiko Cal. 6637 - 646

Seiko 6637-646

This Automatic model from 1970 features a 44mm Two-Tone case. It features a Silver dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-317f9bdbdae3]

Also known as: Pogue

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Silver
Jewels
26j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1970

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seikata-wm-317f9bdbdae3