Seiko Cal. 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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