Seiko Cal. 3847 - 764

The Seiko 3847-764 represents an important milestone in Seiko's 1981 lineup. Powered by the 3847 caliber with 35j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-88bf16dba463]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1981

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