Seiko Cal. 3815 - 702

The 3815-702 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3815 caliber with 17j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-29d48d962c7e]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1970

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