Seiko Cal. 4447 - 512

Released in 1982, the Cal. 4447 with design code 512 was part of Seiko's domestic market collection. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-ab49bb05ba65]

Also known as: Sumo, Panda

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1982

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