Seiko Cal. 4440 - 361

Released in 1972, the Cal. 4440 with design code 361 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-d2558cac3cb5]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1972

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