Seiko Cal. 7128 - 847

Seiko 7128-847

The 7128-847 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7128 caliber with 17j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-01d77a78d2b6]

Also known as: Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
44mm
Case Thickness
14.6mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1977

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