Seiko Cal. 3840 - 657

Seiko 3840-657

This Solar model from 1965 features a 44mm Gold-Plated case. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-556c8c37cdeb]

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
12.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Burgundy
Jewels
32j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1965

Related Models

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