Seiko Cal. 4448 - 121

Seiko 4448-121

This Spring Drive model from 1970 features a 43mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-ebfb35f65d2a]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
14.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Navy
Jewels
33j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1970

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