Seiko Cal. 3892 - 870

The 3892-870 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-12ee1153fb16]

Also known as: Tuna, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1975

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