Seiko Cal. 3816 - 715

The Seiko 3816-715 represents an important milestone in Seiko's 1980 lineup. Powered by the 3816 caliber with 26j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-c4812fac6f41]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1980

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