Seiko Cal. 6131 - 489

Seiko 6131-489

The Seiko 6131-489 represents an important milestone in Seiko's 1979 lineup. Powered by the 6131 caliber with 27j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-7b52799a040a]

Also known as: Baby Tuna

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
41mm
Case Thickness
13.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
Silver
Jewels
27j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1979

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