Seiko Cal. 6687 - 412

Seiko 6687-412

This Solar model from 1971 features a 36mm Two-Tone case. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-ef1d5f73a480]

Also known as: World Timer

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
36mm
Case Thickness
10.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
110m
Dial Color
Green
Jewels
26j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1971

Related Models

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