Seiko Cal. 5681 - 191

Seiko 5681-191

The 5681-191 is a sought-after Solar piece from Seiko's golden era. Powered by the 5681 caliber with 19j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-e1abcbb81423]

Also known as: Baby Tuna

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
46mm
Case Thickness
15.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
Burgundy
Jewels
19j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1981

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