Seiko Cal. 4437 - 684

Released in 1991, the Cal. 4437 with design code 684 was part of Seiko's domestic market collection. With its 22mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-9cdf5879ab9b]

Also known as: UFO, Goldfeather

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1991

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