Seiko Cal. 3817 - 847

Seiko 3817-847

The 3817-847 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3817 caliber with 27j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-4edc2aa8217a]

Also known as: UFO, Crown

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
41mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Black
Jewels
27j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1997

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