Seiko Cal. 4441 - 280

The Seiko 4441-280 represents an important milestone in Seiko's 1978 lineup. Powered by the 4441 caliber with 25j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-ebd626adba93]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1978

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