Seiko Cal. 5692 - 728

Seiko 5692-728

The 5692-728 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5692 caliber with 27j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-c5292603c844]

Also known as: Sumo, Sea Horse

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
45mm
Case Thickness
14.3mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
30m
Dial Color
Black
Jewels
27j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1978

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seikata-wm-c5292603c844