Seiko Cal. 5628 - 717

Seiko 5628-717

The 5628-717 is a sought-after Solar piece from Seiko's golden era. Powered by the 5628 caliber with 26j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-bb51193250fb]

Also known as: Helmet

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
42mm
Case Thickness
13.2mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Black
Jewels
26j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1972

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