Seiko Cal. 7128 - 407

Seiko 7128-407

The 7128-407 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7128 caliber with 21j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-1de300d7e074]

Also known as: Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
43mm
Case Thickness
15.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Silver
Jewels
21j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1977

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seikata-wm-1de300d7e074