Seiko Cal. 6641 - 640

This Kinetic model from 1965 features a 38mm Stainless Steel case. Powered by the 6641 caliber with 20j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-aa9404204f78]

Also known as: Panda

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1965

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