Seiko Cal. 4446 - 311

Released in 1971, the Cal. 4446 with design code 311 was part of Seiko's domestic market collection. Powered by the 4446 caliber with 33j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-37248a2b37e8]

Also known as: World Timer, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1971

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