Seiko Cal. 3831 - 427

Seiko 3831-427

The 3831-427 is a sought-after Solar piece from Seiko's golden era. Powered by the 3831 caliber with 17j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-6a301151edb1]

Also known as: Sumo, Rally

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1967

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