Seiko Cal. 6658 - 399

Seiko 6658-399

This Hand-Winding model from 1969 features a 38mm Two-Tone case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-5e3bcffa5fce]

Also known as: Tuna, Rally

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
38mm
Case Thickness
14.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Silver
Jewels
27j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1969

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