Seiko Cal. 3815 - 917

The 3815-917 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3815 caliber with 17j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-0a55cad3ff26]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1983

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