Seiko Cal. 6643 - 397

Seiko 6643-397

This Quartz model from 1982 features a 38mm Stainless Steel case. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-f344e65863b4]

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
9.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Navy
Jewels
25j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1982

Related Models

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