Seiko Cal. 3817 - 487

The Seiko 3817-487 represents an important milestone in Seiko's 1997 lineup. Powered by the 3817 caliber with 29j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-94ddc117d7e9]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1997

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