Seiko Cal. 3891 - 455

Seiko 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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