Seiko Cal. 4439 - 554

The Seiko 4439-554 represents an important milestone in Seiko's 1971 lineup. Powered by the 4439 caliber with 28j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-842ff2df9521]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1971

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