Seiko Cal. 3855 - 104

The 3855-104 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3855 caliber with 31j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-2b0e5fc875fe]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1990

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