Seiko Cal. 3840 - 638

Seiko 3840-638

The 3840-638 is a sought-after Hand-Winding piece from Seiko's golden era. With its 22mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-27567627c754]

Also known as: Panda, Crown

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
12.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Black
Jewels
18j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1972

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seikata-wm-27567627c754