Seiko Cal. 6657 - 554

Seiko 6657-554

This Solar model from 1973 features a 43mm Hardlex-Coated Steel case. With its 19mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-87935e7b2cbc]

Also known as: Turtle, Monster

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
14.4mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
50m
Dial Color
Green
Jewels
30j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1973

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seikata-wm-87935e7b2cbc