Seiko Cal. 3890 - 791

Seiko 3890-791

The 3890-791 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-fe991936e11a]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
9.9mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Cream
Jewels
33j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1970

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