Seiko Cal. 7028 - 377

Seiko 7028-377

The 7028-377 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7028 caliber with 35j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-5666e1fd9142]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
9.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Cream
Jewels
35j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1981

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seikata-wm-5666e1fd9142