Seiko Cal. 4428 - 817

Seiko 4428-817

The 4428-817 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-2cf9b5f7d9b5]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
44mm
Case Thickness
10.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Silver
Jewels
31j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1968

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