Seiko Cal. 4447 - 950

Released in 1973, the Cal. 4447 with design code 950 was part of Seiko's domestic market collection. It features a Silver dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-ba10aaec6c1d]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1973

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