Seiko Cal. 4577 - 203

The Seiko 4577-203 represents an important milestone in Seiko's 1996 lineup. With its 19mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-115954fd0923]

Also known as: Bellmatic, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1996

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