Seiko Cal. 5657 - 555

This Hand-Winding model from 1989 features a 39mm PVD Black case. With its 22mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-a8bd8d6e4a71]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1989

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