Seiko Cal. 3811 - 639

Seiko 3811-639

The 3811-639 is a sought-after Solar piece from Seiko's golden era. Powered by the 3811 caliber with 22j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-3d218ad8b7fd]

Also known as: Pogue, Rally

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
11.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Silver
Jewels
22j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1971

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