Seiko Cal. 3814 - 642

Seiko 3814-642

The 3814-642 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-ff4fae93abcf]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
11.9mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1983

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