Seiko Cal. 4539 - 284

Seiko 4539-284

This Spring Drive model from 1972 features a 44mm Gold-Plated case. With its 20mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-b21ca7990042]

Also known as: Sumo, UFO

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
14.5mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Navy
Jewels
24j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1972

Related Models

seikata-wm-b21ca7990042