Seiko Cal. 4440 - 343

The Seiko 4440-343 represents an important milestone in Seiko's 1967 lineup. Powered by the 4440 caliber with 31j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-3b9f796d295e]

Also known as: Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1967

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