Seiko Cal. 4457 - 637

The Seiko 4457-637 represents an important milestone in Seiko's 1999 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d2c9ccfc17ec]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1999

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