Seiko Cal. 3891 - 439

Seiko 3891-439

The 3891-439 is a sought-after Solar piece from Seiko's golden era. Powered by the 3891 caliber with 36j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-9fa8a92c73c5]

Also known as: Shogun, Sea Horse

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
37mm
Case Thickness
13.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Burgundy
Jewels
36j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1973

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