Seiko Cal. 4577 - 813

The Seiko 4577-813 represents an important milestone in Seiko's 1996 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-cfc06dfe1f37]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1996

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