Seiko Cal. 5686 - 612

Seiko 5686-612

This Spring Drive model from 1990 features a 40mm Two-Tone case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-5b69c9a2e7d2]

Also known as: Samurai, Helmet

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
40mm
Case Thickness
8.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
110m
Dial Color
Champagne
Jewels
20j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1990

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