Seiko Cal. 5656 - 503

Seiko 5656-503

The 5656-503 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5656 caliber with 20j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-d039bb836a0c]

Also known as: Shogun

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
40mm
Case Thickness
13.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Green
Jewels
20j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1999

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