Seiko Cal. 3891 - 198

Seiko 3891-198

The Seiko 3891-198 represents an important milestone in Seiko's 1980 lineup. Powered by the 3891 caliber with 36j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-2d455a7e52b8]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
13.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Cream
Jewels
36j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1980

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