Seiko Cal. 4438 - 635

Seiko 4438-635

The 4438-635 is a sought-after Kinetic piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-c27b76379999]

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
12.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1965

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seikata-wm-c27b76379999