Seiko Cal. 4431 - 583

The Seiko 4431-583 represents an important milestone in Seiko's 1977 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-56a697dac577]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1977

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