Seiko Cal. 4436 - 542

Seiko 4436-542

This Hand-Winding model from 1971 features a 42mm PVD Black case. With its 20mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-fa4e6c1b158c]

Also known as: Monster, Tuna

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
42mm
Case Thickness
11.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
110m
Dial Color
White
Jewels
34j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1971

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