Seiko Cal. 3811 - 147

The 3811-147 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3811 caliber with 31j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-6f3ed1cc8f00]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1982

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