Seiko Cal. 4443 - 261

The Seiko 4443-261 represents an important milestone in Seiko's 1970 lineup. Powered by the 4443 caliber with 21j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-892f530ff81c]

Also known as: Silverwave, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1970

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