Seiko Cal. 3816 - 561

The 3816-561 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3816 caliber with 31j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-09feac8edd4f]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1989

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