Seiko Cal. 4437 - 780

The Seiko 4437-780 represents an important milestone in Seiko's 1981 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-6cf3c87611a3]

Also known as: Arnie

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1981

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