Seiko Cal. 4440 - 686

Released in 1973, the Cal. 4440 with design code 686 was part of Seiko's domestic market collection. It features a Silver dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-75aebe77fcd3]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1973

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