Seiko Cal. 6657 - 787

Seiko 6657-787

The 6657-787 is a sought-after Solar piece from Seiko's golden era. With its 20mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-da1552244c1f]

Also known as: Sea Horse

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
38mm
Case Thickness
11.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Green
Jewels
17j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1967

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seikata-wm-da1552244c1f