Seiko Cal. 5681 - 113

Seiko 5681-113

The Seiko 5681-113 represents an important milestone in Seiko's 1979 lineup. Powered by the 5681 caliber with 33j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-85a654472ee2]

Also known as: Baby Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
40mm
Case Thickness
10.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Green
Jewels
33j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1979

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