Seiko Cal. 3890 - 426

Seiko 3890-426

The 3890-426 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-5aae5605019a]

Also known as: Navigator, Baby Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
15.8mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Black
Jewels
20j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1985

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