Seiko Cal. 4557 - 711

The Seiko 4557-711 represents an important milestone in Seiko's 1996 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-def515e418d5]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1996

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