Seiko Cal. 6639 - 401

Seiko 6639-401

This Spring Drive model from 1985 features a 44mm Hardlex-Coated Steel case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-f880526f5623]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
200m
Dial Color
Black
Jewels
36j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1985

Related Models

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