Seiko Cal. 6391 - 150

The 6391-150 is a sought-after Solar piece from Seiko's golden era. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-01ebd722ef9a]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1966

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