Seiko Cal. 6353 - 640

The 6353-640 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6353 caliber with 33j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-2567f4e38bbe]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1971

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