Seiko Cal. 4436 - 621

Seiko 4436-621

This Spring Drive model from 1973 features a 36mm PVD Black case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-6f47ffa79d7c]

Also known as: Pogue, Flighty

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
36mm
Case Thickness
15.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
White
Jewels
23j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1973

Related Models

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