Seiko Cal. 4550 - 188

Seiko 4550-188

This Spring Drive model from 1971 features a 36mm Stainless Steel case. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-b2022ba5d67e]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
9.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Green
Jewels
33j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1971

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seikata-wm-b2022ba5d67e