Seiko Cal. 3817 - 487

Seiko 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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