Seiko Cal. 4521 - 405

This Quartz model from 1986 features a 46mm Titanium case. With its 18mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-ba22acf15ad1]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1986

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