Seiko Cal. 4447 - 792

This Spring Drive model from 1966 features a 41mm Titanium case. Powered by the 4447 caliber with 20j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-8bfcdfc7e48f]

Also known as: Panda, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1966

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