Seiko Cal. 3890 - 684

Seiko 3890-684

The 3890-684 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-024e4cb7a702]

Also known as: Baby Tuna, Arnie

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
12.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
29j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1966

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