Seiko Cal. 4577 - 856

The Seiko 4577-856 represents an important milestone in Seiko's 1996 lineup. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-7282e848519e]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1996

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