Seiko Cal. 6139 - 366

The 6139-366 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ca976afb61ba]

Also known as: Panda, Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1970

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