Seiko Cal. 4420 - 740

Seiko 4420-740

This Quartz model from 1975 features a 44mm Stainless Steel case. With its 20mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-24a78a8e7a9a]

Also known as: Turtle, Flighty

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
14.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
160m
Dial Color
Navy
Jewels
25j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1975

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