Seiko Cal. 6637 - 832

The 6637-832 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-630b359cd37d]

Also known as: Panda, Rally

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1969

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