Seiko Cal. 3817 - 560

The Seiko 3817-560 represents an important milestone in Seiko's 1986 lineup. Powered by the 3817 caliber with 20j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-cc672126c296]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1986

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