Seiko Cal. 6365 - 641

The 6365-641 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6365 caliber with 33j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-e7ef2a95e986]

Also known as: Panda, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

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