Seiko Cal. 4457 - 640

Released in 1993, the Cal. 4457 with design code 640 was part of Seiko's domestic market collection. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-a9fb5de6c211]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1993

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