Seiko Cal. 5657 - 827

The 5657-827 is a sought-after Solar piece from Seiko's golden era. With its 19mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-a8d195ad3df3]

Also known as: Monster, Rally

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1979

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