Seiko Cal. 6340 - 750

Seiko 6340-750

The 6340-750 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-d2bd8c9daa3b]

Also known as: Turtle, Helmet

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
46mm
Case Thickness
13.6mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1983

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