Seiko Cal. 5633 - 393

Seiko 5633-393

The 5633-393 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-176f1feb4a7f]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
8.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
100m
Dial Color
Burgundy
Jewels
26j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1966

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