Seiko Cal. 4486 - 686

Seiko 4486-686

The Seiko 4486-686 represents an important milestone in Seiko's 1991 lineup. Powered by the 4486 caliber with 18j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-2e9de5cab5a5]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
46mm
Case Thickness
13.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Green
Jewels
18j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1991

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