Seiko Cal. 3891 - 141

Released in 1978, the Cal. 3891 with design code 141 was part of Seiko's domestic market collection. Powered by the 3891 caliber with 29j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-91bf8fa6354f]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1978

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