Seiko Cal. 6689 - 405

Seiko 6689-405

This Spring Drive model from 1972 features a 39mm Hardlex-Coated Steel case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-fa5823a1393a]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
13.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Navy
Jewels
26j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1972

Related Models

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