Seiko Cal. 3892 - 666

Released in 1975, the Cal. 3892 with design code 666 was part of Seiko's domestic market collection. Powered by the 3892 caliber with 28j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-37235fb1ffb8]

Also known as: Tuna, UFO

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1975

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