Seiko Cal. 3870 - 516

The 3870-516 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3870 caliber with 32j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-473959c5f221]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1995

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