Seiko Cal. 4441 - 407

The Seiko 4441-407 represents an important milestone in Seiko's 1970 lineup. Powered by the 4441 caliber with 31j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-4635d181be05]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1970

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