Seiko Cal. 5627 - 603

Seiko 5627-603

The 5627-603 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5627 caliber with 23j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-5e04937f844f]

Also known as: Sumo, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
34mm
Case Thickness
11.3mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Navy
Jewels
23j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1989

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