Seiko Cal. 6399 - 390

Seiko 6399-390

This Spring Drive model from 1975 features a 41mm Hardlex-Coated Steel case. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-a863abe09d66]

Also known as: Crown, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
8.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Green
Jewels
25j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1975

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seikata-wm-a863abe09d66