Seiko Cal. 6336 - 640

The 6336-640 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6336 caliber with 35j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-c7dd1d52de8a]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1976

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