Seiko Cal. 4448 - 637

Seiko 4448-637

The 4448-637 is a sought-after Kinetic piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-a1715855a8b4]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
10.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
32j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1974

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