Seiko Cal. 3840 - 366

The 3840-366 is a sought-after Solar piece from Seiko's golden era. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-80ae29ac3218]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1980

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