Seiko Cal. 4497 - 907

The Seiko 4497-907 represents an important milestone in Seiko's 1989 lineup. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-56b5cc4d4876]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1989

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