Seiko Cal. 4437 - 784

Released in 1987, the Cal. 4437 with design code 784 was part of Seiko's domestic market collection. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-1acd609319eb]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1987

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