Seiko Cal. 4457 - 830

Released in 1971, the Cal. 4457 with design code 830 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-9f748ad1c5e1]

Also known as: Sumo, Goldfeather

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1971

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