Seiko Cal. 7057 - 306

Seiko 7057-306

The 7057-306 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7057 caliber with 34j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-f7be6d783a85]

Also known as: Emperor

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
42mm
Case Thickness
10.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Cream
Jewels
34j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1985

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