Seiko Cal. 4557 - 726

The Seiko 4557-726 represents an important milestone in Seiko's 1985 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-5441db65bee6]

Also known as: Shogun, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1985

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