Seiko Cal. 7156 - 636

Seiko 7156-636

The 7156-636 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7156 caliber with 17j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-b9287b253960]

Also known as: Sumo, Sea Horse

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
100m
Dial Color
Navy
Jewels
17j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1990

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seikata-wm-b9287b253960