Seiko Cal. 3870 - 491

Seiko 3870-491

The 3870-491 is a sought-after Solar piece from Seiko's golden era. Powered by the 3870 caliber with 36j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-46cb2d01bcf8]

Also known as: Samurai, Shogun

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
14.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Black
Jewels
36j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1988

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