Seiko Cal. 3891 - 455

The 3891-455 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3891 caliber with 26j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-6c514f4491c6]

Also known as: Tuna, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1986

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