Seiko Cal. 5639 - 379

The 5639-379 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-b8db38fb3909]

Also known as: Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1989

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