Seiko Cal. 5657 - 804

Seiko 5657-804

The 5657-804 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-5fdee9d78367]

Also known as: Bullhead, Emperor

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
13.2mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
80m
Dial Color
Navy
Jewels
34j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1981

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