Seiko Cal. 4440 - 507

The Seiko 4440-507 represents an important milestone in Seiko's 1991 lineup. With its 21mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-49c6421c44ff]

Also known as: Bellmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1991

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