Seiko Cal. 7146 - 639

Seiko 7146-639

The 7146-639 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7146 caliber with 18j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-4ca201b9afbb]

Also known as: Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
9.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1989

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