Seiko Cal. 4510 - 447

Released in 1985, the Cal. 4510 with design code 447 was part of Seiko's domestic market collection. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-9ff01cac6e0f]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1985

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