Seiko Cal. 3817 - 338

Seiko 3817-338

The 3817-338 is a sought-after Solar piece from Seiko's golden era. Powered by the 3817 caliber with 32j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-35dcd7c18a95]

Also known as: Sumo, Emperor

Specifications

Movement
Solar
Case Material
Titanium
Case Width
38mm
Case Thickness
8.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
White
Jewels
32j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1968

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