Seiko Cal. 6318 - 139

Seiko 6318-139

The 6318-139 is a sought-after Solar piece from Seiko's golden era. Powered by the 6318 caliber with 30j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-fcd246f2017a]

Also known as: Rally, Bellmatic

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
8.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
100m
Dial Color
Burgundy
Jewels
30j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1984

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