Seiko Cal. 4557 - 691

Seiko 4557-691

This Solar model from 1970 features a 42mm Stainless Steel case. With its 21mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-97f10788f55c]

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
15.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Champagne
Jewels
19j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1970

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seikata-wm-97f10788f55c