Seiko Cal. 4437 - 799

This Spring Drive model from 1987 features a 45mm PVD Black case. With its 21mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-e3c4596411f2]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1987

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