Seiko Cal. 4421 - 155

The Seiko 4421-155 represents an important milestone in Seiko's 1986 lineup. Powered by the 4421 caliber with 18j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-2ab53ccd711c]

Also known as: Turtle

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1986

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