Seiko Cal. 4446 - 437

The 4446-437 is a sought-after Solar piece from Seiko's golden era. Powered by the 4446 caliber with 32j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-838d9a5cef9d]

Also known as: Helmet, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1976

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