Seiko Cal. 3891 - 679

Seiko 3891-679

The 3891-679 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3891 caliber with 32j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-44995f94a6bd]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
40mm
Case Thickness
13.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1993

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seikata-wm-44995f94a6bd