Seiko Cal. 3864 - 740

The Seiko 3864-740 represents an important milestone in Seiko's 1993 lineup. Powered by the 3864 caliber with 28j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-041a0aefeb0b]

Also known as: UFO, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1993

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