Seiko Cal. 4537 - 478

This Spring Drive model from 1989 features a 39mm Gold-Plated case. With its 20mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-613ea53c4148]

Also known as: UFO, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1989

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