Seiko Cal. 4457 - 163

The Seiko 4457-163 represents an important milestone in Seiko's 1966 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-e9c77220aa15]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1966

Related Models

• Seiko 4582-646
• Seiko 7140-835
• Seiko 6643-973
• Seiko 3883-606
• Seiko 4594-756
• Seiko 6127-677
• Seiko 6158-897
• Seiko 6390-366
• Seiko 7086-341
• Seiko 6151-244
• Seiko 3868-938
• Seiko 6668-195