Seiko Cal. 4435 - 550

Seiko 4435-550

This Hand-Winding model from 1975 features a 39mm Two-Tone case. With its 20mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-64ae72f2d5b2]

Also known as: Monster, UFO

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
39mm
Case Thickness
15.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Burgundy
Jewels
35j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1975

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