Seiko Cal. 5657 - 133

This Hand-Winding model from 1988 features a 37mm PVD Black case. With its 18mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-d42b599da6d6]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1988

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