Seiko Cal. 5647 - 683

Seiko 5647-683

The 5647-683 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-c1fcc9c41418]

Also known as: Sumo, Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
38mm
Case Thickness
10.0mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Champagne
Jewels
31j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1975

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