Seiko Cal. 0717 - 638

Seiko 0717-638

The 0717-638 is a sought-after Solar piece from Seiko's golden era. Powered by the 0717 caliber with 36j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-794d97a2a782]

Also known as: UFO

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
38mm
Case Thickness
8.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Navy
Jewels
36j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1986

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