Seiko Cal. 6336 - 642

The 6336-642 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6336 caliber with 31j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-62edcc57bee5]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1981

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