Seiko Cal. 7117 - 987

Seiko 7117-987

The 7117-987 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7117 caliber with 30j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-35c63704ad81]

Also known as: Helmet, UFO

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
15.9mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Silver
Jewels
30j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1971

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seikata-wm-35c63704ad81