Seiko Cal. 4447 - 527

This Hand-Winding model from 1991 features a 38mm PVD Black case. With its 21mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-ff58cc146b35]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1991

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