Seiko Cal. 7145 - 717

The 7145-717 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7145 caliber with 30j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-61498faff359]

Also known as: Bellmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1983

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